Home / 12,418.44-18,527.57-11,964.65

Finding the Fourth Proportional to 12,418.44, 18,527.57 and 11,964.65

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Solution

The fourth proportional to 12,418.44, 18,527.57 and 11,964.65 is: 17,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.44 : 18,527.57 = 11,964.65 : x
  2. Step 2: Convert to fraction form
    12,418.44/18,527.57 = 11,964.65/x
  3. Step 3: Cross multiply
    12,418.44x = 18,527.57 × 11,964.65
  4. Step 4: Simplify right side
    12,418.44x = 221,675,737.94
  5. Step 5: Solve for x
    x = 221,675,737.94/12,418.44
  6. Step 6: Final answer
    x = 17,850.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.