Home / 22,812.20-34,224.70-11,125.80

Finding the Fourth Proportional to 22,812.20, 34,224.70 and 11,125.80

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Solution

The fourth proportional to 22,812.20, 34,224.70 and 11,125.80 is: 16,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.20 : 34,224.70 = 11,125.80 : x
  2. Step 2: Convert to fraction form
    22,812.20/34,224.70 = 11,125.80/x
  3. Step 3: Cross multiply
    22,812.20x = 34,224.70 × 11,125.80
  4. Step 4: Simplify right side
    22,812.20x = 380,777,167.26
  5. Step 5: Solve for x
    x = 380,777,167.26/22,812.20
  6. Step 6: Final answer
    x = 16,691.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.