Home / 22,204.76-30,642.20-12,132.98

Finding the Fourth Proportional to 22,204.76, 30,642.20 and 12,132.98

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Solution

The fourth proportional to 22,204.76, 30,642.20 and 12,132.98 is: 16,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.76 : 30,642.20 = 12,132.98 : x
  2. Step 2: Convert to fraction form
    22,204.76/30,642.20 = 12,132.98/x
  3. Step 3: Cross multiply
    22,204.76x = 30,642.20 × 12,132.98
  4. Step 4: Simplify right side
    22,204.76x = 371,781,306.69
  5. Step 5: Solve for x
    x = 371,781,306.69/22,204.76
  6. Step 6: Final answer
    x = 16,743.32

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Double scale
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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.