Home / 12,896.14-19,344.20-3,662.14

Finding the Fourth Proportional to 12,896.14, 19,344.20 and 3,662.14

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Solution

The fourth proportional to 12,896.14, 19,344.20 and 3,662.14 is: 5,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.14 : 19,344.20 = 3,662.14 : x
  2. Step 2: Convert to fraction form
    12,896.14/19,344.20 = 3,662.14/x
  3. Step 3: Cross multiply
    12,896.14x = 19,344.20 × 3,662.14
  4. Step 4: Simplify right side
    12,896.14x = 70,841,168.59
  5. Step 5: Solve for x
    x = 70,841,168.59/12,896.14
  6. Step 6: Final answer
    x = 5,493.21

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Similar ratio
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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.