Home / 22,537.92-31,069.32-15,803.22

Finding the Fourth Proportional to 22,537.92, 31,069.32 and 15,803.22

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Solution

The fourth proportional to 22,537.92, 31,069.32 and 15,803.22 is: 21,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,537.92 : 31,069.32 = 15,803.22 : x
  2. Step 2: Convert to fraction form
    22,537.92/31,069.32 = 15,803.22/x
  3. Step 3: Cross multiply
    22,537.92x = 31,069.32 × 15,803.22
  4. Step 4: Simplify right side
    22,537.92x = 490,995,299.21
  5. Step 5: Solve for x
    x = 490,995,299.21/22,537.92
  6. Step 6: Final answer
    x = 21,785.30

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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.