Home / 12,575.67-18,863.51-4,255.70

Finding the Fourth Proportional to 12,575.67, 18,863.51 and 4,255.70

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Solution

The fourth proportional to 12,575.67, 18,863.51 and 4,255.70 is: 6,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.67 : 18,863.51 = 4,255.70 : x
  2. Step 2: Convert to fraction form
    12,575.67/18,863.51 = 4,255.70/x
  3. Step 3: Cross multiply
    12,575.67x = 18,863.51 × 4,255.70
  4. Step 4: Simplify right side
    12,575.67x = 80,277,323.91
  5. Step 5: Solve for x
    x = 80,277,323.91/12,575.67
  6. Step 6: Final answer
    x = 6,383.54

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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.