Home / 14,116.72-21,171.38-6,706.44

Finding the Fourth Proportional to 14,116.72, 21,171.38 and 6,706.44

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Solution

The fourth proportional to 14,116.72, 21,171.38 and 6,706.44 is: 10,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.72 : 21,171.38 = 6,706.44 : x
  2. Step 2: Convert to fraction form
    14,116.72/21,171.38 = 6,706.44/x
  3. Step 3: Cross multiply
    14,116.72x = 21,171.38 × 6,706.44
  4. Step 4: Simplify right side
    14,116.72x = 141,984,589.69
  5. Step 5: Solve for x
    x = 141,984,589.69/14,116.72
  6. Step 6: Final answer
    x = 10,057.90

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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.