The liquid page rule on the master page should be "scale".
On the normal pages, the liquid page rule should be "controlled by master" or "scale".
If you then change the size of the master page, everything should scale accordingly.
The liquid page rule on the master page should be "scale".
On the normal pages, the liquid page rule should be "controlled by master" or "scale".
If you then change the size of the master page, everything should scale accordingly.