Home / 45,308.57-67,962.85-13,718.26

Finding the Fourth Proportional to 45,308.57, 67,962.85 and 13,718.26

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Solution

The fourth proportional to 45,308.57, 67,962.85 and 13,718.26 is: 20,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308.57 : 67,962.85 = 13,718.26 : x
  2. Step 2: Convert to fraction form
    45,308.57/67,962.85 = 13,718.26/x
  3. Step 3: Cross multiply
    45,308.57x = 67,962.85 × 13,718.26
  4. Step 4: Simplify right side
    45,308.57x = 932,332,097.30
  5. Step 5: Solve for x
    x = 932,332,097.30/45,308.57
  6. Step 6: Final answer
    x = 20,577.39

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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.