Home / 16,778.58-23,163.10-13,195.76

Finding the Fourth Proportional to 16,778.58, 23,163.10 and 13,195.76

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Solution

The fourth proportional to 16,778.58, 23,163.10 and 13,195.76 is: 18,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.58 : 23,163.10 = 13,195.76 : x
  2. Step 2: Convert to fraction form
    16,778.58/23,163.10 = 13,195.76/x
  3. Step 3: Cross multiply
    16,778.58x = 23,163.10 × 13,195.76
  4. Step 4: Simplify right side
    16,778.58x = 305,654,708.46
  5. Step 5: Solve for x
    x = 305,654,708.46/16,778.58
  6. Step 6: Final answer
    x = 18,216.96

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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.