Home / 38,722.38-58,049.14-13,759.12

Finding the Fourth Proportional to 38,722.38, 58,049.14 and 13,759.12

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Solution

The fourth proportional to 38,722.38, 58,049.14 and 13,759.12 is: 20,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.38 : 58,049.14 = 13,759.12 : x
  2. Step 2: Convert to fraction form
    38,722.38/58,049.14 = 13,759.12/x
  3. Step 3: Cross multiply
    38,722.38x = 58,049.14 × 13,759.12
  4. Step 4: Simplify right side
    38,722.38x = 798,705,083.16
  5. Step 5: Solve for x
    x = 798,705,083.16/38,722.38
  6. Step 6: Final answer
    x = 20,626.45

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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.