Home / 20,096.78-27,733.42-11,144.29

Finding the Fourth Proportional to 20,096.78, 27,733.42 and 11,144.29

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Solution

The fourth proportional to 20,096.78, 27,733.42 and 11,144.29 is: 15,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.78 : 27,733.42 = 11,144.29 : x
  2. Step 2: Convert to fraction form
    20,096.78/27,733.42 = 11,144.29/x
  3. Step 3: Cross multiply
    20,096.78x = 27,733.42 × 11,144.29
  4. Step 4: Simplify right side
    20,096.78x = 309,069,275.17
  5. Step 5: Solve for x
    x = 309,069,275.17/20,096.78
  6. Step 6: Final answer
    x = 15,379.04

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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.