Home / 18,566.82-27,850.37-8,717.22

Finding the Fourth Proportional to 18,566.82, 27,850.37 and 8,717.22

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Solution

The fourth proportional to 18,566.82, 27,850.37 and 8,717.22 is: 13,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.82 : 27,850.37 = 8,717.22 : x
  2. Step 2: Convert to fraction form
    18,566.82/27,850.37 = 8,717.22/x
  3. Step 3: Cross multiply
    18,566.82x = 27,850.37 × 8,717.22
  4. Step 4: Simplify right side
    18,566.82x = 242,777,758.79
  5. Step 5: Solve for x
    x = 242,777,758.79/18,566.82
  6. Step 6: Final answer
    x = 13,075.89

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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.