Home / 20,067.48-27,676.20-15,043.44

Finding the Fourth Proportional to 20,067.48, 27,676.20 and 15,043.44

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Solution

The fourth proportional to 20,067.48, 27,676.20 and 15,043.44 is: 20,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.48 : 27,676.20 = 15,043.44 : x
  2. Step 2: Convert to fraction form
    20,067.48/27,676.20 = 15,043.44/x
  3. Step 3: Cross multiply
    20,067.48x = 27,676.20 × 15,043.44
  4. Step 4: Simplify right side
    20,067.48x = 416,345,254.13
  5. Step 5: Solve for x
    x = 416,345,254.13/20,067.48
  6. Step 6: Final answer
    x = 20,747.26

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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.