Home / 25,207.97-34,785.78-13,877.22

Finding the Fourth Proportional to 25,207.97, 34,785.78 and 13,877.22

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Solution

The fourth proportional to 25,207.97, 34,785.78 and 13,877.22 is: 19,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.97 : 34,785.78 = 13,877.22 : x
  2. Step 2: Convert to fraction form
    25,207.97/34,785.78 = 13,877.22/x
  3. Step 3: Cross multiply
    25,207.97x = 34,785.78 × 13,877.22
  4. Step 4: Simplify right side
    25,207.97x = 482,729,921.93
  5. Step 5: Solve for x
    x = 482,729,921.93/25,207.97
  6. Step 6: Final answer
    x = 19,149.90

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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.