Home / 12,523.05-18,782.18-3,757.95

Finding the Fourth Proportional to 12,523.05, 18,782.18 and 3,757.95

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Solution

The fourth proportional to 12,523.05, 18,782.18 and 3,757.95 is: 5,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.05 : 18,782.18 = 3,757.95 : x
  2. Step 2: Convert to fraction form
    12,523.05/18,782.18 = 3,757.95/x
  3. Step 3: Cross multiply
    12,523.05x = 18,782.18 × 3,757.95
  4. Step 4: Simplify right side
    12,523.05x = 70,582,474.54
  5. Step 5: Solve for x
    x = 70,582,474.54/12,523.05
  6. Step 6: Final answer
    x = 5,636.20

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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.