Home / 19,608.38-29,407.33-8,512.47

Finding the Fourth Proportional to 19,608.38, 29,407.33 and 8,512.47

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Solution

The fourth proportional to 19,608.38, 29,407.33 and 8,512.47 is: 12,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.38 : 29,407.33 = 8,512.47 : x
  2. Step 2: Convert to fraction form
    19,608.38/29,407.33 = 8,512.47/x
  3. Step 3: Cross multiply
    19,608.38x = 29,407.33 × 8,512.47
  4. Step 4: Simplify right side
    19,608.38x = 250,329,014.41
  5. Step 5: Solve for x
    x = 250,329,014.41/19,608.38
  6. Step 6: Final answer
    x = 12,766.43

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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.