Home / 14,062.97-21,084.04-8,515.01

Finding the Fourth Proportional to 14,062.97, 21,084.04 and 8,515.01

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Solution

The fourth proportional to 14,062.97, 21,084.04 and 8,515.01 is: 12,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.97 : 21,084.04 = 8,515.01 : x
  2. Step 2: Convert to fraction form
    14,062.97/21,084.04 = 8,515.01/x
  3. Step 3: Cross multiply
    14,062.97x = 21,084.04 × 8,515.01
  4. Step 4: Simplify right side
    14,062.97x = 179,530,811.44
  5. Step 5: Solve for x
    x = 179,530,811.44/14,062.97
  6. Step 6: Final answer
    x = 12,766.21

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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.