Home / 19,194.26-28,791.38-11,983.53

Finding the Fourth Proportional to 19,194.26, 28,791.38 and 11,983.53

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Solution

The fourth proportional to 19,194.26, 28,791.38 and 11,983.53 is: 17,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.26 : 28,791.38 = 11,983.53 : x
  2. Step 2: Convert to fraction form
    19,194.26/28,791.38 = 11,983.53/x
  3. Step 3: Cross multiply
    19,194.26x = 28,791.38 × 11,983.53
  4. Step 4: Simplify right side
    19,194.26x = 345,022,306.05
  5. Step 5: Solve for x
    x = 345,022,306.05/19,194.26
  6. Step 6: Final answer
    x = 17,975.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.