Home / 18,247.48-25,178.28-10,290.04

Finding the Fourth Proportional to 18,247.48, 25,178.28 and 10,290.04

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Solution

The fourth proportional to 18,247.48, 25,178.28 and 10,290.04 is: 14,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.48 : 25,178.28 = 10,290.04 : x
  2. Step 2: Convert to fraction form
    18,247.48/25,178.28 = 10,290.04/x
  3. Step 3: Cross multiply
    18,247.48x = 25,178.28 × 10,290.04
  4. Step 4: Simplify right side
    18,247.48x = 259,085,508.33
  5. Step 5: Solve for x
    x = 259,085,508.33/18,247.48
  6. Step 6: Final answer
    x = 14,198.43

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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.