Home / 18,255.97-25,193.22-9,872.47

Finding the Fourth Proportional to 18,255.97, 25,193.22 and 9,872.47

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Solution

The fourth proportional to 18,255.97, 25,193.22 and 9,872.47 is: 13,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.97 : 25,193.22 = 9,872.47 : x
  2. Step 2: Convert to fraction form
    18,255.97/25,193.22 = 9,872.47/x
  3. Step 3: Cross multiply
    18,255.97x = 25,193.22 × 9,872.47
  4. Step 4: Simplify right side
    18,255.97x = 248,719,308.65
  5. Step 5: Solve for x
    x = 248,719,308.65/18,255.97
  6. Step 6: Final answer
    x = 13,624.00

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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.