Home / 18,087.94-24,961.80-10,131.78

Finding the Fourth Proportional to 18,087.94, 24,961.80 and 10,131.78

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Solution

The fourth proportional to 18,087.94, 24,961.80 and 10,131.78 is: 13,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.94 : 24,961.80 = 10,131.78 : x
  2. Step 2: Convert to fraction form
    18,087.94/24,961.80 = 10,131.78/x
  3. Step 3: Cross multiply
    18,087.94x = 24,961.80 × 10,131.78
  4. Step 4: Simplify right side
    18,087.94x = 252,907,466.00
  5. Step 5: Solve for x
    x = 252,907,466.00/18,087.94
  6. Step 6: Final answer
    x = 13,982.10

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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.