Home / 16,778.28-23,183.22-13,791.84

Finding the Fourth Proportional to 16,778.28, 23,183.22 and 13,791.84

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Solution

The fourth proportional to 16,778.28, 23,183.22 and 13,791.84 is: 19,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.28 : 23,183.22 = 13,791.84 : x
  2. Step 2: Convert to fraction form
    16,778.28/23,183.22 = 13,791.84/x
  3. Step 3: Cross multiply
    16,778.28x = 23,183.22 × 13,791.84
  4. Step 4: Simplify right side
    16,778.28x = 319,739,260.92
  5. Step 5: Solve for x
    x = 319,739,260.92/16,778.28
  6. Step 6: Final answer
    x = 19,056.74

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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.