Home / 18,125.38-25,012.92-10,167.60

Finding the Fourth Proportional to 18,125.38, 25,012.92 and 10,167.60

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Solution

The fourth proportional to 18,125.38, 25,012.92 and 10,167.60 is: 14,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.38 : 25,012.92 = 10,167.60 : x
  2. Step 2: Convert to fraction form
    18,125.38/25,012.92 = 10,167.60/x
  3. Step 3: Cross multiply
    18,125.38x = 25,012.92 × 10,167.60
  4. Step 4: Simplify right side
    18,125.38x = 254,321,365.39
  5. Step 5: Solve for x
    x = 254,321,365.39/18,125.38
  6. Step 6: Final answer
    x = 14,031.23

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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.