Home / 22,124.68-30,502.19-21,436.72

Finding the Fourth Proportional to 22,124.68, 30,502.19 and 21,436.72

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Solution

The fourth proportional to 22,124.68, 30,502.19 and 21,436.72 is: 29,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.68 : 30,502.19 = 21,436.72 : x
  2. Step 2: Convert to fraction form
    22,124.68/30,502.19 = 21,436.72/x
  3. Step 3: Cross multiply
    22,124.68x = 30,502.19 × 21,436.72
  4. Step 4: Simplify right side
    22,124.68x = 653,866,883.75
  5. Step 5: Solve for x
    x = 653,866,883.75/22,124.68
  6. Step 6: Final answer
    x = 29,553.74

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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.