Home / 15,778.56-23,668.44-5,249.52

Finding the Fourth Proportional to 15,778.56, 23,668.44 and 5,249.52

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Solution

The fourth proportional to 15,778.56, 23,668.44 and 5,249.52 is: 7,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.56 : 23,668.44 = 5,249.52 : x
  2. Step 2: Convert to fraction form
    15,778.56/23,668.44 = 5,249.52/x
  3. Step 3: Cross multiply
    15,778.56x = 23,668.44 × 5,249.52
  4. Step 4: Simplify right side
    15,778.56x = 124,247,949.15
  5. Step 5: Solve for x
    x = 124,247,949.15/15,778.56
  6. Step 6: Final answer
    x = 7,874.48

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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.