Home / 13,883.91-20,826.26-5,450.06

Finding the Fourth Proportional to 13,883.91, 20,826.26 and 5,450.06

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Solution

The fourth proportional to 13,883.91, 20,826.26 and 5,450.06 is: 8,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.91 : 20,826.26 = 5,450.06 : x
  2. Step 2: Convert to fraction form
    13,883.91/20,826.26 = 5,450.06/x
  3. Step 3: Cross multiply
    13,883.91x = 20,826.26 × 5,450.06
  4. Step 4: Simplify right side
    13,883.91x = 113,504,432.27
  5. Step 5: Solve for x
    x = 113,504,432.27/13,883.91
  6. Step 6: Final answer
    x = 8,175.25

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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.