Home / 18,254.86-27,385.66-5,778.02

Finding the Fourth Proportional to 18,254.86, 27,385.66 and 5,778.02

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Solution

The fourth proportional to 18,254.86, 27,385.66 and 5,778.02 is: 8,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.86 : 27,385.66 = 5,778.02 : x
  2. Step 2: Convert to fraction form
    18,254.86/27,385.66 = 5,778.02/x
  3. Step 3: Cross multiply
    18,254.86x = 27,385.66 × 5,778.02
  4. Step 4: Simplify right side
    18,254.86x = 158,234,891.19
  5. Step 5: Solve for x
    x = 158,234,891.19/18,254.86
  6. Step 6: Final answer
    x = 8,668.10

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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.