Home / 20,067.42-27,686.25-11,569.26

Finding the Fourth Proportional to 20,067.42, 27,686.25 and 11,569.26

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Solution

The fourth proportional to 20,067.42, 27,686.25 and 11,569.26 is: 15,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.42 : 27,686.25 = 11,569.26 : x
  2. Step 2: Convert to fraction form
    20,067.42/27,686.25 = 11,569.26/x
  3. Step 3: Cross multiply
    20,067.42x = 27,686.25 × 11,569.26
  4. Step 4: Simplify right side
    20,067.42x = 320,309,424.68
  5. Step 5: Solve for x
    x = 320,309,424.68/20,067.42
  6. Step 6: Final answer
    x = 15,961.66

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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.