Home / 19,734.38-27,233.12-10,781.69

Finding the Fourth Proportional to 19,734.38, 27,233.12 and 10,781.69

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Solution

The fourth proportional to 19,734.38, 27,233.12 and 10,781.69 is: 14,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.38 : 27,233.12 = 10,781.69 : x
  2. Step 2: Convert to fraction form
    19,734.38/27,233.12 = 10,781.69/x
  3. Step 3: Cross multiply
    19,734.38x = 27,233.12 × 10,781.69
  4. Step 4: Simplify right side
    19,734.38x = 293,619,059.26
  5. Step 5: Solve for x
    x = 293,619,059.26/19,734.38
  6. Step 6: Final answer
    x = 14,878.56

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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.