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Finding the Fourth Proportional to 19,476.84, 26,879.58 and 11,093.16

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Solution

The fourth proportional to 19,476.84, 26,879.58 and 11,093.16 is: 15,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.84 : 26,879.58 = 11,093.16 : x
  2. Step 2: Convert to fraction form
    19,476.84/26,879.58 = 11,093.16/x
  3. Step 3: Cross multiply
    19,476.84x = 26,879.58 × 11,093.16
  4. Step 4: Simplify right side
    19,476.84x = 298,179,481.67
  5. Step 5: Solve for x
    x = 298,179,481.67/19,476.84
  6. Step 6: Final answer
    x = 15,309.44

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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.