Home / 18,766.86-28,144.62-6,283.96

Finding the Fourth Proportional to 18,766.86, 28,144.62 and 6,283.96

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Solution

The fourth proportional to 18,766.86, 28,144.62 and 6,283.96 is: 9,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.86 : 28,144.62 = 6,283.96 : x
  2. Step 2: Convert to fraction form
    18,766.86/28,144.62 = 6,283.96/x
  3. Step 3: Cross multiply
    18,766.86x = 28,144.62 × 6,283.96
  4. Step 4: Simplify right side
    18,766.86x = 176,859,666.30
  5. Step 5: Solve for x
    x = 176,859,666.30/18,766.86
  6. Step 6: Final answer
    x = 9,424.04

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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.