Home / 18,250.69-27,371.85-5,103.99

Finding the Fourth Proportional to 18,250.69, 27,371.85 and 5,103.99

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Solution

The fourth proportional to 18,250.69, 27,371.85 and 5,103.99 is: 7,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.69 : 27,371.85 = 5,103.99 : x
  2. Step 2: Convert to fraction form
    18,250.69/27,371.85 = 5,103.99/x
  3. Step 3: Cross multiply
    18,250.69x = 27,371.85 × 5,103.99
  4. Step 4: Simplify right side
    18,250.69x = 139,705,648.68
  5. Step 5: Solve for x
    x = 139,705,648.68/18,250.69
  6. Step 6: Final answer
    x = 7,654.81

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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.