Home / 15,540.92-23,290.62-5,670.92

Finding the Fourth Proportional to 15,540.92, 23,290.62 and 5,670.92

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Solution

The fourth proportional to 15,540.92, 23,290.62 and 5,670.92 is: 8,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.92 : 23,290.62 = 5,670.92 : x
  2. Step 2: Convert to fraction form
    15,540.92/23,290.62 = 5,670.92/x
  3. Step 3: Cross multiply
    15,540.92x = 23,290.62 × 5,670.92
  4. Step 4: Simplify right side
    15,540.92x = 132,079,242.77
  5. Step 5: Solve for x
    x = 132,079,242.77/15,540.92
  6. Step 6: Final answer
    x = 8,498.80

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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.