Home / 13,326.71-20,002.26-6,757.43

Finding the Fourth Proportional to 13,326.71, 20,002.26 and 6,757.43

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Solution

The fourth proportional to 13,326.71, 20,002.26 and 6,757.43 is: 10,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.71 : 20,002.26 = 6,757.43 : x
  2. Step 2: Convert to fraction form
    13,326.71/20,002.26 = 6,757.43/x
  3. Step 3: Cross multiply
    13,326.71x = 20,002.26 × 6,757.43
  4. Step 4: Simplify right side
    13,326.71x = 135,163,871.79
  5. Step 5: Solve for x
    x = 135,163,871.79/13,326.71
  6. Step 6: Final answer
    x = 10,142.33

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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.