Home / 18,234.75-25,163.31-10,276.50

Finding the Fourth Proportional to 18,234.75, 25,163.31 and 10,276.50

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Solution

The fourth proportional to 18,234.75, 25,163.31 and 10,276.50 is: 14,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.75 : 25,163.31 = 10,276.50 : x
  2. Step 2: Convert to fraction form
    18,234.75/25,163.31 = 10,276.50/x
  3. Step 3: Cross multiply
    18,234.75x = 25,163.31 × 10,276.50
  4. Step 4: Simplify right side
    18,234.75x = 258,590,755.22
  5. Step 5: Solve for x
    x = 258,590,755.22/18,234.75
  6. Step 6: Final answer
    x = 14,181.21

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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.