Home / 12,099.91-18,151.49-11,882.83

Finding the Fourth Proportional to 12,099.91, 18,151.49 and 11,882.83

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Solution

The fourth proportional to 12,099.91, 18,151.49 and 11,882.83 is: 17,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.91 : 18,151.49 = 11,882.83 : x
  2. Step 2: Convert to fraction form
    12,099.91/18,151.49 = 11,882.83/x
  3. Step 3: Cross multiply
    12,099.91x = 18,151.49 × 11,882.83
  4. Step 4: Simplify right side
    12,099.91x = 215,691,069.92
  5. Step 5: Solve for x
    x = 215,691,069.92/12,099.91
  6. Step 6: Final answer
    x = 17,825.84

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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.