Home / 18,117.41-25,008.17-11,414.25

Finding the Fourth Proportional to 18,117.41, 25,008.17 and 11,414.25

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Solution

The fourth proportional to 18,117.41, 25,008.17 and 11,414.25 is: 15,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.41 : 25,008.17 = 11,414.25 : x
  2. Step 2: Convert to fraction form
    18,117.41/25,008.17 = 11,414.25/x
  3. Step 3: Cross multiply
    18,117.41x = 25,008.17 × 11,414.25
  4. Step 4: Simplify right side
    18,117.41x = 285,449,447.35
  5. Step 5: Solve for x
    x = 285,449,447.35/18,117.41
  6. Step 6: Final answer
    x = 15,755.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.