Home / 18,549.45-27,823.92-4,509.43

Finding the Fourth Proportional to 18,549.45, 27,823.92 and 4,509.43

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Solution

The fourth proportional to 18,549.45, 27,823.92 and 4,509.43 is: 6,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.45 : 27,823.92 = 4,509.43 : x
  2. Step 2: Convert to fraction form
    18,549.45/27,823.92 = 4,509.43/x
  3. Step 3: Cross multiply
    18,549.45x = 27,823.92 × 4,509.43
  4. Step 4: Simplify right side
    18,549.45x = 125,469,997.02
  5. Step 5: Solve for x
    x = 125,469,997.02/18,549.45
  6. Step 6: Final answer
    x = 6,764.08

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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.