Home / 19,891.60-27,452.80-11,933.52

Finding the Fourth Proportional to 19,891.60, 27,452.80 and 11,933.52

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Solution

The fourth proportional to 19,891.60, 27,452.80 and 11,933.52 is: 16,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.60 : 27,452.80 = 11,933.52 : x
  2. Step 2: Convert to fraction form
    19,891.60/27,452.80 = 11,933.52/x
  3. Step 3: Cross multiply
    19,891.60x = 27,452.80 × 11,933.52
  4. Step 4: Simplify right side
    19,891.60x = 327,608,537.86
  5. Step 5: Solve for x
    x = 327,608,537.86/19,891.60
  6. Step 6: Final answer
    x = 16,469.69

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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.