Home / 22,025.07-30,361.05-13,511.43

Finding the Fourth Proportional to 22,025.07, 30,361.05 and 13,511.43

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Solution

The fourth proportional to 22,025.07, 30,361.05 and 13,511.43 is: 18,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.07 : 30,361.05 = 13,511.43 : x
  2. Step 2: Convert to fraction form
    22,025.07/30,361.05 = 13,511.43/x
  3. Step 3: Cross multiply
    22,025.07x = 30,361.05 × 13,511.43
  4. Step 4: Simplify right side
    22,025.07x = 410,221,201.80
  5. Step 5: Solve for x
    x = 410,221,201.80/22,025.07
  6. Step 6: Final answer
    x = 18,625.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.