Home / 12,250.38-18,374.21-3,366.39

Finding the Fourth Proportional to 12,250.38, 18,374.21 and 3,366.39

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Solution

The fourth proportional to 12,250.38, 18,374.21 and 3,366.39 is: 5,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.38 : 18,374.21 = 3,366.39 : x
  2. Step 2: Convert to fraction form
    12,250.38/18,374.21 = 3,366.39/x
  3. Step 3: Cross multiply
    12,250.38x = 18,374.21 × 3,366.39
  4. Step 4: Simplify right side
    12,250.38x = 61,854,739.97
  5. Step 5: Solve for x
    x = 61,854,739.97/12,250.38
  6. Step 6: Final answer
    x = 5,049.21

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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.