Home / 18,252.99-27,375.30-5,106.69

Finding the Fourth Proportional to 18,252.99, 27,375.30 and 5,106.69

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Solution

The fourth proportional to 18,252.99, 27,375.30 and 5,106.69 is: 7,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.99 : 27,375.30 = 5,106.69 : x
  2. Step 2: Convert to fraction form
    18,252.99/27,375.30 = 5,106.69/x
  3. Step 3: Cross multiply
    18,252.99x = 27,375.30 × 5,106.69
  4. Step 4: Simplify right side
    18,252.99x = 139,797,170.76
  5. Step 5: Solve for x
    x = 139,797,170.76/18,252.99
  6. Step 6: Final answer
    x = 7,658.86

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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.