The problem occurs as your YAxis labels have different Width for the different Charts. What I can suggest is that you set a hardcoded Width for your YAxis TextBlock-s. Refer to this
help topic where it is demonstrated how to style the axis items labels.
the Telerik team
Thank you for being the most amazing .NET community! Your unfailing support is what helps us charge forward! We'd appreciate your vote for Telerik in this year's DevProConnections Awards. We are competing in mind-blowing 20 categories and every vote counts! VOTE for Telerik NOW >>