Home / 18,373.28-27,516.12-10,040.80

Finding the Fourth Proportional to 18,373.28, 27,516.12 and 10,040.80

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Solution

The fourth proportional to 18,373.28, 27,516.12 and 10,040.80 is: 15,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.28 : 27,516.12 = 10,040.80 : x
  2. Step 2: Convert to fraction form
    18,373.28/27,516.12 = 10,040.80/x
  3. Step 3: Cross multiply
    18,373.28x = 27,516.12 × 10,040.80
  4. Step 4: Simplify right side
    18,373.28x = 276,283,857.70
  5. Step 5: Solve for x
    x = 276,283,857.70/18,373.28
  6. Step 6: Final answer
    x = 15,037.26

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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.