Home / 18,534.18-27,819.99-16,439.52

Finding the Fourth Proportional to 18,534.18, 27,819.99 and 16,439.52

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Solution

The fourth proportional to 18,534.18, 27,819.99 and 16,439.52 is: 24,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.18 : 27,819.99 = 16,439.52 : x
  2. Step 2: Convert to fraction form
    18,534.18/27,819.99 = 16,439.52/x
  3. Step 3: Cross multiply
    18,534.18x = 27,819.99 × 16,439.52
  4. Step 4: Simplify right side
    18,534.18x = 457,347,282.00
  5. Step 5: Solve for x
    x = 457,347,282.00/18,534.18
  6. Step 6: Final answer
    x = 24,675.88

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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.