Home / 19,194.47-28,791.71-7,499.49

Finding the Fourth Proportional to 19,194.47, 28,791.71 and 7,499.49

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Solution

The fourth proportional to 19,194.47, 28,791.71 and 7,499.49 is: 11,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.47 : 28,791.71 = 7,499.49 : x
  2. Step 2: Convert to fraction form
    19,194.47/28,791.71 = 7,499.49/x
  3. Step 3: Cross multiply
    19,194.47x = 28,791.71 × 7,499.49
  4. Step 4: Simplify right side
    19,194.47x = 215,923,103.73
  5. Step 5: Solve for x
    x = 215,923,103.73/19,194.47
  6. Step 6: Final answer
    x = 11,249.24

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Double scale
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Similar ratio
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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.