Home / 18,002.82-27,004.23-4,855.19

Finding the Fourth Proportional to 18,002.82, 27,004.23 and 4,855.19

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Solution

The fourth proportional to 18,002.82, 27,004.23 and 4,855.19 is: 7,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.82 : 27,004.23 = 4,855.19 : x
  2. Step 2: Convert to fraction form
    18,002.82/27,004.23 = 4,855.19/x
  3. Step 3: Cross multiply
    18,002.82x = 27,004.23 × 4,855.19
  4. Step 4: Simplify right side
    18,002.82x = 131,110,633.70
  5. Step 5: Solve for x
    x = 131,110,633.70/18,002.82
  6. Step 6: Final answer
    x = 7,282.78

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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.