Home / 20,082.88-27,714.04-11,008.18

Finding the Fourth Proportional to 20,082.88, 27,714.04 and 11,008.18

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Solution

The fourth proportional to 20,082.88, 27,714.04 and 11,008.18 is: 15,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.88 : 27,714.04 = 11,008.18 : x
  2. Step 2: Convert to fraction form
    20,082.88/27,714.04 = 11,008.18/x
  3. Step 3: Cross multiply
    20,082.88x = 27,714.04 × 11,008.18
  4. Step 4: Simplify right side
    20,082.88x = 305,081,140.85
  5. Step 5: Solve for x
    x = 305,081,140.85/20,082.88
  6. Step 6: Final answer
    x = 15,191.11

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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.