Home / 13,849.22-19,109.40-8,183.54

Finding the Fourth Proportional to 13,849.22, 19,109.40 and 8,183.54

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Solution

The fourth proportional to 13,849.22, 19,109.40 and 8,183.54 is: 11,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.22 : 19,109.40 = 8,183.54 : x
  2. Step 2: Convert to fraction form
    13,849.22/19,109.40 = 8,183.54/x
  3. Step 3: Cross multiply
    13,849.22x = 19,109.40 × 8,183.54
  4. Step 4: Simplify right side
    13,849.22x = 156,382,539.28
  5. Step 5: Solve for x
    x = 156,382,539.28/13,849.22
  6. Step 6: Final answer
    x = 11,291.79

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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.