Home / 12,634.50-18,944.46-5,614.50

Finding the Fourth Proportional to 12,634.50, 18,944.46 and 5,614.50

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Solution

The fourth proportional to 12,634.50, 18,944.46 and 5,614.50 is: 8,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.50 : 18,944.46 = 5,614.50 : x
  2. Step 2: Convert to fraction form
    12,634.50/18,944.46 = 5,614.50/x
  3. Step 3: Cross multiply
    12,634.50x = 18,944.46 × 5,614.50
  4. Step 4: Simplify right side
    12,634.50x = 106,363,670.67
  5. Step 5: Solve for x
    x = 106,363,670.67/12,634.50
  6. Step 6: Final answer
    x = 8,418.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.