Home / 15,064.96-20,790.34-8,350.73

Finding the Fourth Proportional to 15,064.96, 20,790.34 and 8,350.73

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Solution

The fourth proportional to 15,064.96, 20,790.34 and 8,350.73 is: 11,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.96 : 20,790.34 = 8,350.73 : x
  2. Step 2: Convert to fraction form
    15,064.96/20,790.34 = 8,350.73/x
  3. Step 3: Cross multiply
    15,064.96x = 20,790.34 × 8,350.73
  4. Step 4: Simplify right side
    15,064.96x = 173,614,515.95
  5. Step 5: Solve for x
    x = 173,614,515.95/15,064.96
  6. Step 6: Final answer
    x = 11,524.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.