Home / 22,149.68-30,557.52-13,531.41

Finding the Fourth Proportional to 22,149.68, 30,557.52 and 13,531.41

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Solution

The fourth proportional to 22,149.68, 30,557.52 and 13,531.41 is: 18,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.68 : 30,557.52 = 13,531.41 : x
  2. Step 2: Convert to fraction form
    22,149.68/30,557.52 = 13,531.41/x
  3. Step 3: Cross multiply
    22,149.68x = 30,557.52 × 13,531.41
  4. Step 4: Simplify right side
    22,149.68x = 413,486,331.70
  5. Step 5: Solve for x
    x = 413,486,331.70/22,149.68
  6. Step 6: Final answer
    x = 18,667.83

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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.