Home / 13,452.72-20,179.17-4,687.60

Finding the Fourth Proportional to 13,452.72, 20,179.17 and 4,687.60

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Solution

The fourth proportional to 13,452.72, 20,179.17 and 4,687.60 is: 7,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.72 : 20,179.17 = 4,687.60 : x
  2. Step 2: Convert to fraction form
    13,452.72/20,179.17 = 4,687.60/x
  3. Step 3: Cross multiply
    13,452.72x = 20,179.17 × 4,687.60
  4. Step 4: Simplify right side
    13,452.72x = 94,591,877.29
  5. Step 5: Solve for x
    x = 94,591,877.29/13,452.72
  6. Step 6: Final answer
    x = 7,031.43

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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.