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Finding the Fourth Proportional to 19,452.83, 26,843.81 and 11,495.79

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Solution

The fourth proportional to 19,452.83, 26,843.81 and 11,495.79 is: 15,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.83 : 26,843.81 = 11,495.79 : x
  2. Step 2: Convert to fraction form
    19,452.83/26,843.81 = 11,495.79/x
  3. Step 3: Cross multiply
    19,452.83x = 26,843.81 × 11,495.79
  4. Step 4: Simplify right side
    19,452.83x = 308,590,745.08
  5. Step 5: Solve for x
    x = 308,590,745.08/19,452.83
  6. Step 6: Final answer
    x = 15,863.54

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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.