Home / 18,255.52-25,192.74-10,299.88

Finding the Fourth Proportional to 18,255.52, 25,192.74 and 10,299.88

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Solution

The fourth proportional to 18,255.52, 25,192.74 and 10,299.88 is: 14,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.52 : 25,192.74 = 10,299.88 : x
  2. Step 2: Convert to fraction form
    18,255.52/25,192.74 = 10,299.88/x
  3. Step 3: Cross multiply
    18,255.52x = 25,192.74 × 10,299.88
  4. Step 4: Simplify right side
    18,255.52x = 259,482,198.87
  5. Step 5: Solve for x
    x = 259,482,198.87/18,255.52
  6. Step 6: Final answer
    x = 14,213.90

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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.