Home / 20,098.97-27,734.75-11,146.44

Finding the Fourth Proportional to 20,098.97, 27,734.75 and 11,146.44

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Solution

The fourth proportional to 20,098.97, 27,734.75 and 11,146.44 is: 15,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.97 : 27,734.75 = 11,146.44 : x
  2. Step 2: Convert to fraction form
    20,098.97/27,734.75 = 11,146.44/x
  3. Step 3: Cross multiply
    20,098.97x = 27,734.75 × 11,146.44
  4. Step 4: Simplify right side
    20,098.97x = 309,143,754.66
  5. Step 5: Solve for x
    x = 309,143,754.66/20,098.97
  6. Step 6: Final answer
    x = 15,381.08

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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.