Home / 20,193.44-27,866.12-11,240.70

Finding the Fourth Proportional to 20,193.44, 27,866.12 and 11,240.70

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Solution

The fourth proportional to 20,193.44, 27,866.12 and 11,240.70 is: 15,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.44 : 27,866.12 = 11,240.70 : x
  2. Step 2: Convert to fraction form
    20,193.44/27,866.12 = 11,240.70/x
  3. Step 3: Cross multiply
    20,193.44x = 27,866.12 × 11,240.70
  4. Step 4: Simplify right side
    20,193.44x = 313,234,695.08
  5. Step 5: Solve for x
    x = 313,234,695.08/20,193.44
  6. Step 6: Final answer
    x = 15,511.71

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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.