Home / 18,072.24-27,107.82-8,712.96

Finding the Fourth Proportional to 18,072.24, 27,107.82 and 8,712.96

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Solution

The fourth proportional to 18,072.24, 27,107.82 and 8,712.96 is: 13,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.24 : 27,107.82 = 8,712.96 : x
  2. Step 2: Convert to fraction form
    18,072.24/27,107.82 = 8,712.96/x
  3. Step 3: Cross multiply
    18,072.24x = 27,107.82 × 8,712.96
  4. Step 4: Simplify right side
    18,072.24x = 236,189,351.35
  5. Step 5: Solve for x
    x = 236,189,351.35/18,072.24
  6. Step 6: Final answer
    x = 13,069.18

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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.