Home / 24,865.12-34,310.28-13,687.12

Finding the Fourth Proportional to 24,865.12, 34,310.28 and 13,687.12

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Solution

The fourth proportional to 24,865.12, 34,310.28 and 13,687.12 is: 18,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,865.12 : 34,310.28 = 13,687.12 : x
  2. Step 2: Convert to fraction form
    24,865.12/34,310.28 = 13,687.12/x
  3. Step 3: Cross multiply
    24,865.12x = 34,310.28 × 13,687.12
  4. Step 4: Simplify right side
    24,865.12x = 469,608,919.59
  5. Step 5: Solve for x
    x = 469,608,919.59/24,865.12
  6. Step 6: Final answer
    x = 18,886.25

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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.