Home / 18,546.57-27,815.00-8,675.91

Finding the Fourth Proportional to 18,546.57, 27,815.00 and 8,675.91

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Solution

The fourth proportional to 18,546.57, 27,815.00 and 8,675.91 is: 13,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.57 : 27,815.00 = 8,675.91 : x
  2. Step 2: Convert to fraction form
    18,546.57/27,815.00 = 8,675.91/x
  3. Step 3: Cross multiply
    18,546.57x = 27,815.00 × 8,675.91
  4. Step 4: Simplify right side
    18,546.57x = 241,320,393.27
  5. Step 5: Solve for x
    x = 241,320,393.27/18,546.57
  6. Step 6: Final answer
    x = 13,011.59

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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.