Home / 13,704.92-20,555.85-3,844.58

Finding the Fourth Proportional to 13,704.92, 20,555.85 and 3,844.58

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Solution

The fourth proportional to 13,704.92, 20,555.85 and 3,844.58 is: 5,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.92 : 20,555.85 = 3,844.58 : x
  2. Step 2: Convert to fraction form
    13,704.92/20,555.85 = 3,844.58/x
  3. Step 3: Cross multiply
    13,704.92x = 20,555.85 × 3,844.58
  4. Step 4: Simplify right side
    13,704.92x = 79,028,609.79
  5. Step 5: Solve for x
    x = 79,028,609.79/13,704.92
  6. Step 6: Final answer
    x = 5,766.44

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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.