Home / 22,294.80-30,743.85-15,577.97

Finding the Fourth Proportional to 22,294.80, 30,743.85 and 15,577.97

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Solution

The fourth proportional to 22,294.80, 30,743.85 and 15,577.97 is: 21,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.80 : 30,743.85 = 15,577.97 : x
  2. Step 2: Convert to fraction form
    22,294.80/30,743.85 = 15,577.97/x
  3. Step 3: Cross multiply
    22,294.80x = 30,743.85 × 15,577.97
  4. Step 4: Simplify right side
    22,294.80x = 478,926,772.98
  5. Step 5: Solve for x
    x = 478,926,772.98/22,294.80
  6. Step 6: Final answer
    x = 21,481.55

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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.