Home / 17,517.60-24,194.40-12,758.75

Finding the Fourth Proportional to 17,517.60, 24,194.40 and 12,758.75

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Solution

The fourth proportional to 17,517.60, 24,194.40 and 12,758.75 is: 17,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.60 : 24,194.40 = 12,758.75 : x
  2. Step 2: Convert to fraction form
    17,517.60/24,194.40 = 12,758.75/x
  3. Step 3: Cross multiply
    17,517.60x = 24,194.40 × 12,758.75
  4. Step 4: Simplify right side
    17,517.60x = 308,690,222.91
  5. Step 5: Solve for x
    x = 308,690,222.91/17,517.60
  6. Step 6: Final answer
    x = 17,621.72

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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.