Home / 18,610.60-27,874.62-10,800.04

Finding the Fourth Proportional to 18,610.60, 27,874.62 and 10,800.04

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Solution

The fourth proportional to 18,610.60, 27,874.62 and 10,800.04 is: 16,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.60 : 27,874.62 = 10,800.04 : x
  2. Step 2: Convert to fraction form
    18,610.60/27,874.62 = 10,800.04/x
  3. Step 3: Cross multiply
    18,610.60x = 27,874.62 × 10,800.04
  4. Step 4: Simplify right side
    18,610.60x = 301,047,010.98
  5. Step 5: Solve for x
    x = 301,047,010.98/18,610.60
  6. Step 6: Final answer
    x = 16,176.10

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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.