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Finding the Fourth Proportional to 19,452.78, 26,843.22 and 10,952.19

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Solution

The fourth proportional to 19,452.78, 26,843.22 and 10,952.19 is: 15,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.78 : 26,843.22 = 10,952.19 : x
  2. Step 2: Convert to fraction form
    19,452.78/26,843.22 = 10,952.19/x
  3. Step 3: Cross multiply
    19,452.78x = 26,843.22 × 10,952.19
  4. Step 4: Simplify right side
    19,452.78x = 293,992,045.65
  5. Step 5: Solve for x
    x = 293,992,045.65/19,452.78
  6. Step 6: Final answer
    x = 15,113.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.