Home / 13,662.38-20,461.67-10,517.43

Finding the Fourth Proportional to 13,662.38, 20,461.67 and 10,517.43

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Solution

The fourth proportional to 13,662.38, 20,461.67 and 10,517.43 is: 15,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.38 : 20,461.67 = 10,517.43 : x
  2. Step 2: Convert to fraction form
    13,662.38/20,461.67 = 10,517.43/x
  3. Step 3: Cross multiply
    13,662.38x = 20,461.67 × 10,517.43
  4. Step 4: Simplify right side
    13,662.38x = 215,204,208.20
  5. Step 5: Solve for x
    x = 215,204,208.20/13,662.38
  6. Step 6: Final answer
    x = 15,751.59

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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.