Home / 13,843.22-20,764.10-3,982.11

Finding the Fourth Proportional to 13,843.22, 20,764.10 and 3,982.11

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Solution

The fourth proportional to 13,843.22, 20,764.10 and 3,982.11 is: 5,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.22 : 20,764.10 = 3,982.11 : x
  2. Step 2: Convert to fraction form
    13,843.22/20,764.10 = 3,982.11/x
  3. Step 3: Cross multiply
    13,843.22x = 20,764.10 × 3,982.11
  4. Step 4: Simplify right side
    13,843.22x = 82,684,920.30
  5. Step 5: Solve for x
    x = 82,684,920.30/13,843.22
  6. Step 6: Final answer
    x = 5,972.96

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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.