Home / 20,096.57-27,732.74-11,144.04

Finding the Fourth Proportional to 20,096.57, 27,732.74 and 11,144.04

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Solution

The fourth proportional to 20,096.57, 27,732.74 and 11,144.04 is: 15,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.57 : 27,732.74 = 11,144.04 : x
  2. Step 2: Convert to fraction form
    20,096.57/27,732.74 = 11,144.04/x
  3. Step 3: Cross multiply
    20,096.57x = 27,732.74 × 11,144.04
  4. Step 4: Simplify right side
    20,096.57x = 309,054,708.15
  5. Step 5: Solve for x
    x = 309,054,708.15/20,096.57
  6. Step 6: Final answer
    x = 15,378.48

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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.