Home / 18,295.98-27,443.85-5,815.73

Finding the Fourth Proportional to 18,295.98, 27,443.85 and 5,815.73

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Solution

The fourth proportional to 18,295.98, 27,443.85 and 5,815.73 is: 8,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.98 : 27,443.85 = 5,815.73 : x
  2. Step 2: Convert to fraction form
    18,295.98/27,443.85 = 5,815.73/x
  3. Step 3: Cross multiply
    18,295.98x = 27,443.85 × 5,815.73
  4. Step 4: Simplify right side
    18,295.98x = 159,605,884.54
  5. Step 5: Solve for x
    x = 159,605,884.54/18,295.98
  6. Step 6: Final answer
    x = 8,723.55

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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.