Home / 17,771.75-26,647.70-11,183.81

Finding the Fourth Proportional to 17,771.75, 26,647.70 and 11,183.81

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Solution

The fourth proportional to 17,771.75, 26,647.70 and 11,183.81 is: 16,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.75 : 26,647.70 = 11,183.81 : x
  2. Step 2: Convert to fraction form
    17,771.75/26,647.70 = 11,183.81/x
  3. Step 3: Cross multiply
    17,771.75x = 26,647.70 × 11,183.81
  4. Step 4: Simplify right side
    17,771.75x = 298,022,824.44
  5. Step 5: Solve for x
    x = 298,022,824.44/17,771.75
  6. Step 6: Final answer
    x = 16,769.47

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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.