Home / 20,134.96-27,782.10-11,634.04

Finding the Fourth Proportional to 20,134.96, 27,782.10 and 11,634.04

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Solution

The fourth proportional to 20,134.96, 27,782.10 and 11,634.04 is: 16,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.96 : 27,782.10 = 11,634.04 : x
  2. Step 2: Convert to fraction form
    20,134.96/27,782.10 = 11,634.04/x
  3. Step 3: Cross multiply
    20,134.96x = 27,782.10 × 11,634.04
  4. Step 4: Simplify right side
    20,134.96x = 323,218,062.68
  5. Step 5: Solve for x
    x = 323,218,062.68/20,134.96
  6. Step 6: Final answer
    x = 16,052.58

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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.