Home / 25,135.88-34,691.78-14,531.68

Finding the Fourth Proportional to 25,135.88, 34,691.78 and 14,531.68

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Solution

The fourth proportional to 25,135.88, 34,691.78 and 14,531.68 is: 20,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.88 : 34,691.78 = 14,531.68 : x
  2. Step 2: Convert to fraction form
    25,135.88/34,691.78 = 14,531.68/x
  3. Step 3: Cross multiply
    25,135.88x = 34,691.78 × 14,531.68
  4. Step 4: Simplify right side
    25,135.88x = 504,129,845.59
  5. Step 5: Solve for x
    x = 504,129,845.59/25,135.88
  6. Step 6: Final answer
    x = 20,056.18

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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.