Home / 13,743.96-20,612.88-3,884.16

Finding the Fourth Proportional to 13,743.96, 20,612.88 and 3,884.16

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Solution

The fourth proportional to 13,743.96, 20,612.88 and 3,884.16 is: 5,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.96 : 20,612.88 = 3,884.16 : x
  2. Step 2: Convert to fraction form
    13,743.96/20,612.88 = 3,884.16/x
  3. Step 3: Cross multiply
    13,743.96x = 20,612.88 × 3,884.16
  4. Step 4: Simplify right side
    13,743.96x = 80,063,723.98
  5. Step 5: Solve for x
    x = 80,063,723.98/13,743.96
  6. Step 6: Final answer
    x = 5,825.38

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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.