Home / 20,192.28-27,855.78-14,227.24

Finding the Fourth Proportional to 20,192.28, 27,855.78 and 14,227.24

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Solution

The fourth proportional to 20,192.28, 27,855.78 and 14,227.24 is: 19,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.28 : 27,855.78 = 14,227.24 : x
  2. Step 2: Convert to fraction form
    20,192.28/27,855.78 = 14,227.24/x
  3. Step 3: Cross multiply
    20,192.28x = 27,855.78 × 14,227.24
  4. Step 4: Simplify right side
    20,192.28x = 396,310,867.45
  5. Step 5: Solve for x
    x = 396,310,867.45/20,192.28
  6. Step 6: Final answer
    x = 19,626.85

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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.