Home / 19,324.65-28,942.97-11,517.33

Finding the Fourth Proportional to 19,324.65, 28,942.97 and 11,517.33

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Solution

The fourth proportional to 19,324.65, 28,942.97 and 11,517.33 is: 17,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.65 : 28,942.97 = 11,517.33 : x
  2. Step 2: Convert to fraction form
    19,324.65/28,942.97 = 11,517.33/x
  3. Step 3: Cross multiply
    19,324.65x = 28,942.97 × 11,517.33
  4. Step 4: Simplify right side
    19,324.65x = 333,345,679.08
  5. Step 5: Solve for x
    x = 333,345,679.08/19,324.65
  6. Step 6: Final answer
    x = 17,249.77

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1.5x scale

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.