Home / 26,444.68-36,480.18-20,146.12

Finding the Fourth Proportional to 26,444.68, 36,480.18 and 20,146.12

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Solution

The fourth proportional to 26,444.68, 36,480.18 and 20,146.12 is: 27,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.68 : 36,480.18 = 20,146.12 : x
  2. Step 2: Convert to fraction form
    26,444.68/36,480.18 = 20,146.12/x
  3. Step 3: Cross multiply
    26,444.68x = 36,480.18 × 20,146.12
  4. Step 4: Simplify right side
    26,444.68x = 734,934,083.90
  5. Step 5: Solve for x
    x = 734,934,083.90/26,444.68
  6. Step 6: Final answer
    x = 27,791.38

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Double scale
Find fourth proportional to 26,445.68, 36,481.56 and 20,147.12
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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.