Home / 19,842.18-29,747.52-9,839.91

Finding the Fourth Proportional to 19,842.18, 29,747.52 and 9,839.91

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Solution

The fourth proportional to 19,842.18, 29,747.52 and 9,839.91 is: 14,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.18 : 29,747.52 = 9,839.91 : x
  2. Step 2: Convert to fraction form
    19,842.18/29,747.52 = 9,839.91/x
  3. Step 3: Cross multiply
    19,842.18x = 29,747.52 × 9,839.91
  4. Step 4: Simplify right side
    19,842.18x = 292,712,919.52
  5. Step 5: Solve for x
    x = 292,712,919.52/19,842.18
  6. Step 6: Final answer
    x = 14,752.05

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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.