Home / 18,161.46-27,243.75-5,013.83

Finding the Fourth Proportional to 18,161.46, 27,243.75 and 5,013.83

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Solution

The fourth proportional to 18,161.46, 27,243.75 and 5,013.83 is: 7,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.46 : 27,243.75 = 5,013.83 : x
  2. Step 2: Convert to fraction form
    18,161.46/27,243.75 = 5,013.83/x
  3. Step 3: Cross multiply
    18,161.46x = 27,243.75 × 5,013.83
  4. Step 4: Simplify right side
    18,161.46x = 136,595,531.06
  5. Step 5: Solve for x
    x = 136,595,531.06/18,161.46
  6. Step 6: Final answer
    x = 7,521.18

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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.