Home / 18,675.17-27,963.33-15,402.88

Finding the Fourth Proportional to 18,675.17, 27,963.33 and 15,402.88

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Solution

The fourth proportional to 18,675.17, 27,963.33 and 15,402.88 is: 23,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.17 : 27,963.33 = 15,402.88 : x
  2. Step 2: Convert to fraction form
    18,675.17/27,963.33 = 15,402.88/x
  3. Step 3: Cross multiply
    18,675.17x = 27,963.33 × 15,402.88
  4. Step 4: Simplify right side
    18,675.17x = 430,715,636.29
  5. Step 5: Solve for x
    x = 430,715,636.29/18,675.17
  6. Step 6: Final answer
    x = 23,063.54

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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.