Home / 18,265.73-27,385.22-5,778.77

Finding the Fourth Proportional to 18,265.73, 27,385.22 and 5,778.77

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Solution

The fourth proportional to 18,265.73, 27,385.22 and 5,778.77 is: 8,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.73 : 27,385.22 = 5,778.77 : x
  2. Step 2: Convert to fraction form
    18,265.73/27,385.22 = 5,778.77/x
  3. Step 3: Cross multiply
    18,265.73x = 27,385.22 × 5,778.77
  4. Step 4: Simplify right side
    18,265.73x = 158,252,765.30
  5. Step 5: Solve for x
    x = 158,252,765.30/18,265.73
  6. Step 6: Final answer
    x = 8,663.92

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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.