When system DPI is larger than 100% the transition animation is not scaled up with it. Available in LIB version 2015.2.803 , it will be also available in the 2015 Q3.
Place RadTransitionControl with size 200x100 inside of ViewBox with size 400x250. Available in LIB version 2015.2.803 , it will be also available in the 2015 Q3.
Available in LIB version 2015.3.1207, it will be also available in the 2016 Q1 release.