Home / 13,174.44-18,162.94-8,450.52

Finding the Fourth Proportional to 13,174.44, 18,162.94 and 8,450.52

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Solution

The fourth proportional to 13,174.44, 18,162.94 and 8,450.52 is: 11,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.44 : 18,162.94 = 8,450.52 : x
  2. Step 2: Convert to fraction form
    13,174.44/18,162.94 = 8,450.52/x
  3. Step 3: Cross multiply
    13,174.44x = 18,162.94 × 8,450.52
  4. Step 4: Simplify right side
    13,174.44x = 153,486,287.73
  5. Step 5: Solve for x
    x = 153,486,287.73/13,174.44
  6. Step 6: Final answer
    x = 11,650.31

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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.