Home / 22,602.52-31,192.21-12,531.90

Finding the Fourth Proportional to 22,602.52, 31,192.21 and 12,531.90

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Solution

The fourth proportional to 22,602.52, 31,192.21 and 12,531.90 is: 17,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.52 : 31,192.21 = 12,531.90 : x
  2. Step 2: Convert to fraction form
    22,602.52/31,192.21 = 12,531.90/x
  3. Step 3: Cross multiply
    22,602.52x = 31,192.21 × 12,531.90
  4. Step 4: Simplify right side
    22,602.52x = 390,897,500.54
  5. Step 5: Solve for x
    x = 390,897,500.54/22,602.52
  6. Step 6: Final answer
    x = 17,294.43

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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.