Home / 13,414.05-20,142.14-11,360.97

Finding the Fourth Proportional to 13,414.05, 20,142.14 and 11,360.97

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Solution

The fourth proportional to 13,414.05, 20,142.14 and 11,360.97 is: 17,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.05 : 20,142.14 = 11,360.97 : x
  2. Step 2: Convert to fraction form
    13,414.05/20,142.14 = 11,360.97/x
  3. Step 3: Cross multiply
    13,414.05x = 20,142.14 × 11,360.97
  4. Step 4: Simplify right side
    13,414.05x = 228,834,191.47
  5. Step 5: Solve for x
    x = 228,834,191.47/13,414.05
  6. Step 6: Final answer
    x = 17,059.29

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1.5x scale

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.