Home / 20,067.18-27,693.66-11,570.58

Finding the Fourth Proportional to 20,067.18, 27,693.66 and 11,570.58

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Solution

The fourth proportional to 20,067.18, 27,693.66 and 11,570.58 is: 15,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.18 : 27,693.66 = 11,570.58 : x
  2. Step 2: Convert to fraction form
    20,067.18/27,693.66 = 11,570.58/x
  3. Step 3: Cross multiply
    20,067.18x = 27,693.66 × 11,570.58
  4. Step 4: Simplify right side
    20,067.18x = 320,431,708.52
  5. Step 5: Solve for x
    x = 320,431,708.52/20,067.18
  6. Step 6: Final answer
    x = 15,967.95

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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.