Home / 13,232.87-18,257.62-8,519.88

Finding the Fourth Proportional to 13,232.87, 18,257.62 and 8,519.88

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Solution

The fourth proportional to 13,232.87, 18,257.62 and 8,519.88 is: 11,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.87 : 18,257.62 = 8,519.88 : x
  2. Step 2: Convert to fraction form
    13,232.87/18,257.62 = 8,519.88/x
  3. Step 3: Cross multiply
    13,232.87x = 18,257.62 × 8,519.88
  4. Step 4: Simplify right side
    13,232.87x = 155,552,731.49
  5. Step 5: Solve for x
    x = 155,552,731.49/13,232.87
  6. Step 6: Final answer
    x = 11,755.03

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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.