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Finding the Fourth Proportional to 19,508.92, 26,922.11 and 10,556.23

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Solution

The fourth proportional to 19,508.92, 26,922.11 and 10,556.23 is: 14,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.92 : 26,922.11 = 10,556.23 : x
  2. Step 2: Convert to fraction form
    19,508.92/26,922.11 = 10,556.23/x
  3. Step 3: Cross multiply
    19,508.92x = 26,922.11 × 10,556.23
  4. Step 4: Simplify right side
    19,508.92x = 284,195,797.85
  5. Step 5: Solve for x
    x = 284,195,797.85/19,508.92
  6. Step 6: Final answer
    x = 14,567.48

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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.