Home / 18,951.12-28,426.60-14,794.61

Finding the Fourth Proportional to 18,951.12, 28,426.60 and 14,794.61

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Solution

The fourth proportional to 18,951.12, 28,426.60 and 14,794.61 is: 22,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.12 : 28,426.60 = 14,794.61 : x
  2. Step 2: Convert to fraction form
    18,951.12/28,426.60 = 14,794.61/x
  3. Step 3: Cross multiply
    18,951.12x = 28,426.60 × 14,794.61
  4. Step 4: Simplify right side
    18,951.12x = 420,560,318.49
  5. Step 5: Solve for x
    x = 420,560,318.49/18,951.12
  6. Step 6: Final answer
    x = 22,191.85

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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.