Home / 12,496.80-18,747.30-3,732.60

Finding the Fourth Proportional to 12,496.80, 18,747.30 and 3,732.60

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Solution

The fourth proportional to 12,496.80, 18,747.30 and 3,732.60 is: 5,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.80 : 18,747.30 = 3,732.60 : x
  2. Step 2: Convert to fraction form
    12,496.80/18,747.30 = 3,732.60/x
  3. Step 3: Cross multiply
    12,496.80x = 18,747.30 × 3,732.60
  4. Step 4: Simplify right side
    12,496.80x = 69,976,171.98
  5. Step 5: Solve for x
    x = 69,976,171.98/12,496.80
  6. Step 6: Final answer
    x = 5,599.53

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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.