Home / 20,250.91-27,944.97-11,299

Finding the Fourth Proportional to 20,250.91, 27,944.97 and 11,299

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Solution

The fourth proportional to 20,250.91, 27,944.97 and 11,299 is: 15,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.91 : 27,944.97 = 11,299 : x
  2. Step 2: Convert to fraction form
    20,250.91/27,944.97 = 11,299/x
  3. Step 3: Cross multiply
    20,250.91x = 27,944.97 × 11,299
  4. Step 4: Simplify right side
    20,250.91x = 315,750,216.03
  5. Step 5: Solve for x
    x = 315,750,216.03/20,250.91
  6. Step 6: Final answer
    x = 15,591.90

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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.