Home / 12,454.77-18,687.15-5,059.80

Finding the Fourth Proportional to 12,454.77, 18,687.15 and 5,059.80

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Solution

The fourth proportional to 12,454.77, 18,687.15 and 5,059.80 is: 7,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.77 : 18,687.15 = 5,059.80 : x
  2. Step 2: Convert to fraction form
    12,454.77/18,687.15 = 5,059.80/x
  3. Step 3: Cross multiply
    12,454.77x = 18,687.15 × 5,059.80
  4. Step 4: Simplify right side
    12,454.77x = 94,553,241.57
  5. Step 5: Solve for x
    x = 94,553,241.57/12,454.77
  6. Step 6: Final answer
    x = 7,591.73

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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.