Home / 15,066.97-20,781.37-10,822.39

Finding the Fourth Proportional to 15,066.97, 20,781.37 and 10,822.39

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Solution

The fourth proportional to 15,066.97, 20,781.37 and 10,822.39 is: 14,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.97 : 20,781.37 = 10,822.39 : x
  2. Step 2: Convert to fraction form
    15,066.97/20,781.37 = 10,822.39/x
  3. Step 3: Cross multiply
    15,066.97x = 20,781.37 × 10,822.39
  4. Step 4: Simplify right side
    15,066.97x = 224,904,138.91
  5. Step 5: Solve for x
    x = 224,904,138.91/15,066.97
  6. Step 6: Final answer
    x = 14,926.97

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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.