Home / 18,247.07-27,372.94-5,099.56

Finding the Fourth Proportional to 18,247.07, 27,372.94 and 5,099.56

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Solution

The fourth proportional to 18,247.07, 27,372.94 and 5,099.56 is: 7,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.07 : 27,372.94 = 5,099.56 : x
  2. Step 2: Convert to fraction form
    18,247.07/27,372.94 = 5,099.56/x
  3. Step 3: Cross multiply
    18,247.07x = 27,372.94 × 5,099.56
  4. Step 4: Simplify right side
    18,247.07x = 139,589,868.73
  5. Step 5: Solve for x
    x = 139,589,868.73/18,247.07
  6. Step 6: Final answer
    x = 7,649.99

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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.