Home / 20,250.88-27,946.13-11,298.38

Finding the Fourth Proportional to 20,250.88, 27,946.13 and 11,298.38

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Solution

The fourth proportional to 20,250.88, 27,946.13 and 11,298.38 is: 15,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.88 : 27,946.13 = 11,298.38 : x
  2. Step 2: Convert to fraction form
    20,250.88/27,946.13 = 11,298.38/x
  3. Step 3: Cross multiply
    20,250.88x = 27,946.13 × 11,298.38
  4. Step 4: Simplify right side
    20,250.88x = 315,745,800.05
  5. Step 5: Solve for x
    x = 315,745,800.05/20,250.88
  6. Step 6: Final answer
    x = 15,591.71

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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.