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Finding the Fourth Proportional to 19,018.92, 26,244.42 and 10,950.42

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Solution

The fourth proportional to 19,018.92, 26,244.42 and 10,950.42 is: 15,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.92 : 26,244.42 = 10,950.42 : x
  2. Step 2: Convert to fraction form
    19,018.92/26,244.42 = 10,950.42/x
  3. Step 3: Cross multiply
    19,018.92x = 26,244.42 × 10,950.42
  4. Step 4: Simplify right side
    19,018.92x = 287,387,421.66
  5. Step 5: Solve for x
    x = 287,387,421.66/19,018.92
  6. Step 6: Final answer
    x = 15,110.61

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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.