Home / 38,565.27-57,849.62-13,605.53

Finding the Fourth Proportional to 38,565.27, 57,849.62 and 13,605.53

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Solution

The fourth proportional to 38,565.27, 57,849.62 and 13,605.53 is: 20,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.27 : 57,849.62 = 13,605.53 : x
  2. Step 2: Convert to fraction form
    38,565.27/57,849.62 = 13,605.53/x
  3. Step 3: Cross multiply
    38,565.27x = 57,849.62 × 13,605.53
  4. Step 4: Simplify right side
    38,565.27x = 787,074,383.12
  5. Step 5: Solve for x
    x = 787,074,383.12/38,565.27
  6. Step 6: Final answer
    x = 20,408.89

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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.