Home / 26,306.97-36,308.21-15,551.38

Finding the Fourth Proportional to 26,306.97, 36,308.21 and 15,551.38

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Solution

The fourth proportional to 26,306.97, 36,308.21 and 15,551.38 is: 21,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306.97 : 36,308.21 = 15,551.38 : x
  2. Step 2: Convert to fraction form
    26,306.97/36,308.21 = 15,551.38/x
  3. Step 3: Cross multiply
    26,306.97x = 36,308.21 × 15,551.38
  4. Step 4: Simplify right side
    26,306.97x = 564,642,770.83
  5. Step 5: Solve for x
    x = 564,642,770.83/26,306.97
  6. Step 6: Final answer
    x = 21,463.62

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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.