Home / 15,438.67-23,158.00-5,577.73

Finding the Fourth Proportional to 15,438.67, 23,158.00 and 5,577.73

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Solution

The fourth proportional to 15,438.67, 23,158.00 and 5,577.73 is: 8,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.67 : 23,158.00 = 5,577.73 : x
  2. Step 2: Convert to fraction form
    15,438.67/23,158.00 = 5,577.73/x
  3. Step 3: Cross multiply
    15,438.67x = 23,158.00 × 5,577.73
  4. Step 4: Simplify right side
    15,438.67x = 129,169,020.42
  5. Step 5: Solve for x
    x = 129,169,020.42/15,438.67
  6. Step 6: Final answer
    x = 8,366.59

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Double scale
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Similar ratio
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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.