Home / 13,183.44-19,778.33-5,392.28

Finding the Fourth Proportional to 13,183.44, 19,778.33 and 5,392.28

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Solution

The fourth proportional to 13,183.44, 19,778.33 and 5,392.28 is: 8,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.44 : 19,778.33 = 5,392.28 : x
  2. Step 2: Convert to fraction form
    13,183.44/19,778.33 = 5,392.28/x
  3. Step 3: Cross multiply
    13,183.44x = 19,778.33 × 5,392.28
  4. Step 4: Simplify right side
    13,183.44x = 106,650,207.88
  5. Step 5: Solve for x
    x = 106,650,207.88/13,183.44
  6. Step 6: Final answer
    x = 8,089.71

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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.