Home / 13,982.22-20,974.11-5,662.02

Finding the Fourth Proportional to 13,982.22, 20,974.11 and 5,662.02

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Solution

The fourth proportional to 13,982.22, 20,974.11 and 5,662.02 is: 8,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.22 : 20,974.11 = 5,662.02 : x
  2. Step 2: Convert to fraction form
    13,982.22/20,974.11 = 5,662.02/x
  3. Step 3: Cross multiply
    13,982.22x = 20,974.11 × 5,662.02
  4. Step 4: Simplify right side
    13,982.22x = 118,755,830.30
  5. Step 5: Solve for x
    x = 118,755,830.30/13,982.22
  6. Step 6: Final answer
    x = 8,493.35

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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.