Home / 12,901.26-19,351.88-3,667.26

Finding the Fourth Proportional to 12,901.26, 19,351.88 and 3,667.26

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Solution

The fourth proportional to 12,901.26, 19,351.88 and 3,667.26 is: 5,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.26 : 19,351.88 = 3,667.26 : x
  2. Step 2: Convert to fraction form
    12,901.26/19,351.88 = 3,667.26/x
  3. Step 3: Cross multiply
    12,901.26x = 19,351.88 × 3,667.26
  4. Step 4: Simplify right side
    12,901.26x = 70,968,375.45
  5. Step 5: Solve for x
    x = 70,968,375.45/12,901.26
  6. Step 6: Final answer
    x = 5,500.89

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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.