Home / 12,925.62-19,388.43-3,691.62

Finding the Fourth Proportional to 12,925.62, 19,388.43 and 3,691.62

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Solution

The fourth proportional to 12,925.62, 19,388.43 and 3,691.62 is: 5,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.62 : 19,388.43 = 3,691.62 : x
  2. Step 2: Convert to fraction form
    12,925.62/19,388.43 = 3,691.62/x
  3. Step 3: Cross multiply
    12,925.62x = 19,388.43 × 3,691.62
  4. Step 4: Simplify right side
    12,925.62x = 71,574,715.96
  5. Step 5: Solve for x
    x = 71,574,715.96/12,925.62
  6. Step 6: Final answer
    x = 5,537.43

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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.