Home / 15,226.75-22,839.40-3,982.10

Finding the Fourth Proportional to 15,226.75, 22,839.40 and 3,982.10

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Solution

The fourth proportional to 15,226.75, 22,839.40 and 3,982.10 is: 5,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.75 : 22,839.40 = 3,982.10 : x
  2. Step 2: Convert to fraction form
    15,226.75/22,839.40 = 3,982.10/x
  3. Step 3: Cross multiply
    15,226.75x = 22,839.40 × 3,982.10
  4. Step 4: Simplify right side
    15,226.75x = 90,948,665.52
  5. Step 5: Solve for x
    x = 90,948,665.52/15,226.75
  6. Step 6: Final answer
    x = 5,972.95

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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.