Home / 12,325.73-18,475.27-4,922.05

Finding the Fourth Proportional to 12,325.73, 18,475.27 and 4,922.05

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Solution

The fourth proportional to 12,325.73, 18,475.27 and 4,922.05 is: 7,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.73 : 18,475.27 = 4,922.05 : x
  2. Step 2: Convert to fraction form
    12,325.73/18,475.27 = 4,922.05/x
  3. Step 3: Cross multiply
    12,325.73x = 18,475.27 × 4,922.05
  4. Step 4: Simplify right side
    12,325.73x = 90,936,178.09
  5. Step 5: Solve for x
    x = 90,936,178.09/12,325.73
  6. Step 6: Final answer
    x = 7,377.75

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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.