Home / 25,512.47-38,286.12-8,872.33

Finding the Fourth Proportional to 25,512.47, 38,286.12 and 8,872.33

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Solution

The fourth proportional to 25,512.47, 38,286.12 and 8,872.33 is: 13,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.47 : 38,286.12 = 8,872.33 : x
  2. Step 2: Convert to fraction form
    25,512.47/38,286.12 = 8,872.33/x
  3. Step 3: Cross multiply
    25,512.47x = 38,286.12 × 8,872.33
  4. Step 4: Simplify right side
    25,512.47x = 339,687,091.06
  5. Step 5: Solve for x
    x = 339,687,091.06/25,512.47
  6. Step 6: Final answer
    x = 13,314.55

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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.