Home / 13,629.96-20,450.70-5,842.44

Finding the Fourth Proportional to 13,629.96, 20,450.70 and 5,842.44

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Solution

The fourth proportional to 13,629.96, 20,450.70 and 5,842.44 is: 8,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.96 : 20,450.70 = 5,842.44 : x
  2. Step 2: Convert to fraction form
    13,629.96/20,450.70 = 5,842.44/x
  3. Step 3: Cross multiply
    13,629.96x = 20,450.70 × 5,842.44
  4. Step 4: Simplify right side
    13,629.96x = 119,481,987.71
  5. Step 5: Solve for x
    x = 119,481,987.71/13,629.96
  6. Step 6: Final answer
    x = 8,766.13

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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.