Home / 15,456.60-23,184.72-3,769.92

Finding the Fourth Proportional to 15,456.60, 23,184.72 and 3,769.92

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Solution

The fourth proportional to 15,456.60, 23,184.72 and 3,769.92 is: 5,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.60 : 23,184.72 = 3,769.92 : x
  2. Step 2: Convert to fraction form
    15,456.60/23,184.72 = 3,769.92/x
  3. Step 3: Cross multiply
    15,456.60x = 23,184.72 × 3,769.92
  4. Step 4: Simplify right side
    15,456.60x = 87,404,539.62
  5. Step 5: Solve for x
    x = 87,404,539.62/15,456.60
  6. Step 6: Final answer
    x = 5,654.84

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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.