Home / 20,036.24-27,649.46-11,084.12

Finding the Fourth Proportional to 20,036.24, 27,649.46 and 11,084.12

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Solution

The fourth proportional to 20,036.24, 27,649.46 and 11,084.12 is: 15,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.24 : 27,649.46 = 11,084.12 : x
  2. Step 2: Convert to fraction form
    20,036.24/27,649.46 = 11,084.12/x
  3. Step 3: Cross multiply
    20,036.24x = 27,649.46 × 11,084.12
  4. Step 4: Simplify right side
    20,036.24x = 306,469,877.15
  5. Step 5: Solve for x
    x = 306,469,877.15/20,036.24
  6. Step 6: Final answer
    x = 15,295.78

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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.