Home / 15,998.12-23,997.60-9,429.02

Finding the Fourth Proportional to 15,998.12, 23,997.60 and 9,429.02

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Solution

The fourth proportional to 15,998.12, 23,997.60 and 9,429.02 is: 14,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.12 : 23,997.60 = 9,429.02 : x
  2. Step 2: Convert to fraction form
    15,998.12/23,997.60 = 9,429.02/x
  3. Step 3: Cross multiply
    15,998.12x = 23,997.60 × 9,429.02
  4. Step 4: Simplify right side
    15,998.12x = 226,273,850.35
  5. Step 5: Solve for x
    x = 226,273,850.35/15,998.12
  6. Step 6: Final answer
    x = 14,143.78

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1.5x scale

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.