Home / 18,734.59-28,103.78-6,083.82

Finding the Fourth Proportional to 18,734.59, 28,103.78 and 6,083.82

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Solution

The fourth proportional to 18,734.59, 28,103.78 and 6,083.82 is: 9,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.59 : 28,103.78 = 6,083.82 : x
  2. Step 2: Convert to fraction form
    18,734.59/28,103.78 = 6,083.82/x
  3. Step 3: Cross multiply
    18,734.59x = 28,103.78 × 6,083.82
  4. Step 4: Simplify right side
    18,734.59x = 170,978,319.83
  5. Step 5: Solve for x
    x = 170,978,319.83/18,734.59
  6. Step 6: Final answer
    x = 9,126.34

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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.