Home / 16,873.32-25,318.32-8,115.60

Finding the Fourth Proportional to 16,873.32, 25,318.32 and 8,115.60

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Solution

The fourth proportional to 16,873.32, 25,318.32 and 8,115.60 is: 12,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.32 : 25,318.32 = 8,115.60 : x
  2. Step 2: Convert to fraction form
    16,873.32/25,318.32 = 8,115.60/x
  3. Step 3: Cross multiply
    16,873.32x = 25,318.32 × 8,115.60
  4. Step 4: Simplify right side
    16,873.32x = 205,473,357.79
  5. Step 5: Solve for x
    x = 205,473,357.79/16,873.32
  6. Step 6: Final answer
    x = 12,177.41

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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.