Home / 16,771.66-25,121.95-11,481.86

Finding the Fourth Proportional to 16,771.66, 25,121.95 and 11,481.86

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Solution

The fourth proportional to 16,771.66, 25,121.95 and 11,481.86 is: 17,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.66 : 25,121.95 = 11,481.86 : x
  2. Step 2: Convert to fraction form
    16,771.66/25,121.95 = 11,481.86/x
  3. Step 3: Cross multiply
    16,771.66x = 25,121.95 × 11,481.86
  4. Step 4: Simplify right side
    16,771.66x = 288,446,712.83
  5. Step 5: Solve for x
    x = 288,446,712.83/16,771.66
  6. Step 6: Final answer
    x = 17,198.46

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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.