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Finding the Fourth Proportional to 18,151.93, 27,198.66 and 15,235.93

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Solution

The fourth proportional to 18,151.93, 27,198.66 and 15,235.93 is: 22,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.93 : 27,198.66 = 15,235.93 : x
  2. Step 2: Convert to fraction form
    18,151.93/27,198.66 = 15,235.93/x
  3. Step 3: Cross multiply
    18,151.93x = 27,198.66 × 15,235.93
  4. Step 4: Simplify right side
    18,151.93x = 414,396,743.86
  5. Step 5: Solve for x
    x = 414,396,743.86/18,151.93
  6. Step 6: Final answer
    x = 22,829.36

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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.