Home / 18,083.30-27,115.20-5,597.96

Finding the Fourth Proportional to 18,083.30, 27,115.20 and 5,597.96

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Solution

The fourth proportional to 18,083.30, 27,115.20 and 5,597.96 is: 8,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.30 : 27,115.20 = 5,597.96 : x
  2. Step 2: Convert to fraction form
    18,083.30/27,115.20 = 5,597.96/x
  3. Step 3: Cross multiply
    18,083.30x = 27,115.20 × 5,597.96
  4. Step 4: Simplify right side
    18,083.30x = 151,789,669.42
  5. Step 5: Solve for x
    x = 151,789,669.42/18,083.30
  6. Step 6: Final answer
    x = 8,393.92

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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.