Home / 14,116.27-21,175.31-3,727.75

Finding the Fourth Proportional to 14,116.27, 21,175.31 and 3,727.75

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Solution

The fourth proportional to 14,116.27, 21,175.31 and 3,727.75 is: 5,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.27 : 21,175.31 = 3,727.75 : x
  2. Step 2: Convert to fraction form
    14,116.27/21,175.31 = 3,727.75/x
  3. Step 3: Cross multiply
    14,116.27x = 21,175.31 × 3,727.75
  4. Step 4: Simplify right side
    14,116.27x = 78,936,261.85
  5. Step 5: Solve for x
    x = 78,936,261.85/14,116.27
  6. Step 6: Final answer
    x = 5,591.86

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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.