Home / 18,439.35-27,634.31-17,258.37

Finding the Fourth Proportional to 18,439.35, 27,634.31 and 17,258.37

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Solution

The fourth proportional to 18,439.35, 27,634.31 and 17,258.37 is: 25,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.35 : 27,634.31 = 17,258.37 : x
  2. Step 2: Convert to fraction form
    18,439.35/27,634.31 = 17,258.37/x
  3. Step 3: Cross multiply
    18,439.35x = 27,634.31 × 17,258.37
  4. Step 4: Simplify right side
    18,439.35x = 476,923,189.82
  5. Step 5: Solve for x
    x = 476,923,189.82/18,439.35
  6. Step 6: Final answer
    x = 25,864.43

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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.