Home / 19,962.87-29,946.11-5,171.73

Finding the Fourth Proportional to 19,962.87, 29,946.11 and 5,171.73

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Solution

The fourth proportional to 19,962.87, 29,946.11 and 5,171.73 is: 7,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.87 : 29,946.11 = 5,171.73 : x
  2. Step 2: Convert to fraction form
    19,962.87/29,946.11 = 5,171.73/x
  3. Step 3: Cross multiply
    19,962.87x = 29,946.11 × 5,171.73
  4. Step 4: Simplify right side
    19,962.87x = 154,873,169.61
  5. Step 5: Solve for x
    x = 154,873,169.61/19,962.87
  6. Step 6: Final answer
    x = 7,758.06

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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.