Home / 18,286.26-25,231.91-10,328.31

Finding the Fourth Proportional to 18,286.26, 25,231.91 and 10,328.31

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Solution

The fourth proportional to 18,286.26, 25,231.91 and 10,328.31 is: 14,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.26 : 25,231.91 = 10,328.31 : x
  2. Step 2: Convert to fraction form
    18,286.26/25,231.91 = 10,328.31/x
  3. Step 3: Cross multiply
    18,286.26x = 25,231.91 × 10,328.31
  4. Step 4: Simplify right side
    18,286.26x = 260,602,936.73
  5. Step 5: Solve for x
    x = 260,602,936.73/18,286.26
  6. Step 6: Final answer
    x = 14,251.30

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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.