Zakat al Mal (Compulsory Charity) and Prayer, in the Quran, are side by side. Zakat al Mal is an obligation to all Muslims as is prayer. They are both non-negotiable and pillars of faith. Zakat is so important, that Abu Bakr (ra) engaged in war to protect it.
Muslims will go to outrageous lengths to ensure the needy and disadvantaged are supported. And as Allah (swt) says "The Only Reward for Good, is Good". So pay your zakat and