Home / 18,247.09-25,180.97-9,863.59

Finding the Fourth Proportional to 18,247.09, 25,180.97 and 9,863.59

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Solution

The fourth proportional to 18,247.09, 25,180.97 and 9,863.59 is: 13,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.09 : 25,180.97 = 9,863.59 : x
  2. Step 2: Convert to fraction form
    18,247.09/25,180.97 = 9,863.59/x
  3. Step 3: Cross multiply
    18,247.09x = 25,180.97 × 9,863.59
  4. Step 4: Simplify right side
    18,247.09x = 248,374,763.88
  5. Step 5: Solve for x
    x = 248,374,763.88/18,247.09
  6. Step 6: Final answer
    x = 13,611.75

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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.