Home / 16,286.61-22,474.44-9,115.32

Finding the Fourth Proportional to 16,286.61, 22,474.44 and 9,115.32

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Solution

The fourth proportional to 16,286.61, 22,474.44 and 9,115.32 is: 12,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.61 : 22,474.44 = 9,115.32 : x
  2. Step 2: Convert to fraction form
    16,286.61/22,474.44 = 9,115.32/x
  3. Step 3: Cross multiply
    16,286.61x = 22,474.44 × 9,115.32
  4. Step 4: Simplify right side
    16,286.61x = 204,861,712.42
  5. Step 5: Solve for x
    x = 204,861,712.42/16,286.61
  6. Step 6: Final answer
    x = 12,578.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.