Home / 18,729.14-28,084.30-6,244.74

Finding the Fourth Proportional to 18,729.14, 28,084.30 and 6,244.74

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Solution

The fourth proportional to 18,729.14, 28,084.30 and 6,244.74 is: 9,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.14 : 28,084.30 = 6,244.74 : x
  2. Step 2: Convert to fraction form
    18,729.14/28,084.30 = 6,244.74/x
  3. Step 3: Cross multiply
    18,729.14x = 28,084.30 × 6,244.74
  4. Step 4: Simplify right side
    18,729.14x = 175,379,135.97
  5. Step 5: Solve for x
    x = 175,379,135.97/18,729.14
  6. Step 6: Final answer
    x = 9,363.97

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1.5x scale

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.