Home / 18,351.82-25,301.40-13,243.04

Finding the Fourth Proportional to 18,351.82, 25,301.40 and 13,243.04

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Solution

The fourth proportional to 18,351.82, 25,301.40 and 13,243.04 is: 18,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.82 : 25,301.40 = 13,243.04 : x
  2. Step 2: Convert to fraction form
    18,351.82/25,301.40 = 13,243.04/x
  3. Step 3: Cross multiply
    18,351.82x = 25,301.40 × 13,243.04
  4. Step 4: Simplify right side
    18,351.82x = 335,067,452.26
  5. Step 5: Solve for x
    x = 335,067,452.26/18,351.82
  6. Step 6: Final answer
    x = 18,258.00

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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.