Home / 13,932.72-20,892.60-5,167.44

Finding the Fourth Proportional to 13,932.72, 20,892.60 and 5,167.44

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Solution

The fourth proportional to 13,932.72, 20,892.60 and 5,167.44 is: 7,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.72 : 20,892.60 = 5,167.44 : x
  2. Step 2: Convert to fraction form
    13,932.72/20,892.60 = 5,167.44/x
  3. Step 3: Cross multiply
    13,932.72x = 20,892.60 × 5,167.44
  4. Step 4: Simplify right side
    13,932.72x = 107,961,256.94
  5. Step 5: Solve for x
    x = 107,961,256.94/13,932.72
  6. Step 6: Final answer
    x = 7,748.76

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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.