Home / 16,122.68-22,249.30-9,049.10

Finding the Fourth Proportional to 16,122.68, 22,249.30 and 9,049.10

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Solution

The fourth proportional to 16,122.68, 22,249.30 and 9,049.10 is: 12,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.68 : 22,249.30 = 9,049.10 : x
  2. Step 2: Convert to fraction form
    16,122.68/22,249.30 = 9,049.10/x
  3. Step 3: Cross multiply
    16,122.68x = 22,249.30 × 9,049.10
  4. Step 4: Simplify right side
    16,122.68x = 201,336,095.38
  5. Step 5: Solve for x
    x = 201,336,095.38/16,122.68
  6. Step 6: Final answer
    x = 12,487.76

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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.