Home / 18,234.30-25,163.82-10,276.05

Finding the Fourth Proportional to 18,234.30, 25,163.82 and 10,276.05

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Solution

The fourth proportional to 18,234.30, 25,163.82 and 10,276.05 is: 14,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.30 : 25,163.82 = 10,276.05 : x
  2. Step 2: Convert to fraction form
    18,234.30/25,163.82 = 10,276.05/x
  3. Step 3: Cross multiply
    18,234.30x = 25,163.82 × 10,276.05
  4. Step 4: Simplify right side
    18,234.30x = 258,584,672.51
  5. Step 5: Solve for x
    x = 258,584,672.51/18,234.30
  6. Step 6: Final answer
    x = 14,181.22

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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.