Home / 22,151.68-33,215.18-13,149.46

Finding the Fourth Proportional to 22,151.68, 33,215.18 and 13,149.46

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Solution

The fourth proportional to 22,151.68, 33,215.18 and 13,149.46 is: 19,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.68 : 33,215.18 = 13,149.46 : x
  2. Step 2: Convert to fraction form
    22,151.68/33,215.18 = 13,149.46/x
  3. Step 3: Cross multiply
    22,151.68x = 33,215.18 × 13,149.46
  4. Step 4: Simplify right side
    22,151.68x = 436,761,680.80
  5. Step 5: Solve for x
    x = 436,761,680.80/22,151.68
  6. Step 6: Final answer
    x = 19,716.86

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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.