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Finding the Fourth Proportional to 18,856.22, 26,022.09 and 11,299.94

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Solution

The fourth proportional to 18,856.22, 26,022.09 and 11,299.94 is: 15,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.22 : 26,022.09 = 11,299.94 : x
  2. Step 2: Convert to fraction form
    18,856.22/26,022.09 = 11,299.94/x
  3. Step 3: Cross multiply
    18,856.22x = 26,022.09 × 11,299.94
  4. Step 4: Simplify right side
    18,856.22x = 294,048,055.67
  5. Step 5: Solve for x
    x = 294,048,055.67/18,856.22
  6. Step 6: Final answer
    x = 15,594.22

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