Home / 22,552.92-31,122.25-12,481.78

Finding the Fourth Proportional to 22,552.92, 31,122.25 and 12,481.78

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Solution

The fourth proportional to 22,552.92, 31,122.25 and 12,481.78 is: 17,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.92 : 31,122.25 = 12,481.78 : x
  2. Step 2: Convert to fraction form
    22,552.92/31,122.25 = 12,481.78/x
  3. Step 3: Cross multiply
    22,552.92x = 31,122.25 × 12,481.78
  4. Step 4: Simplify right side
    22,552.92x = 388,461,132.11
  5. Step 5: Solve for x
    x = 388,461,132.11/22,552.92
  6. Step 6: Final answer
    x = 17,224.43

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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.