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Finding the Fourth Proportional to 18,813.48, 25,961.52 and 10,313.96

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Solution

The fourth proportional to 18,813.48, 25,961.52 and 10,313.96 is: 14,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.48 : 25,961.52 = 10,313.96 : x
  2. Step 2: Convert to fraction form
    18,813.48/25,961.52 = 10,313.96/x
  3. Step 3: Cross multiply
    18,813.48x = 25,961.52 × 10,313.96
  4. Step 4: Simplify right side
    18,813.48x = 267,766,078.82
  5. Step 5: Solve for x
    x = 267,766,078.82/18,813.48
  6. Step 6: Final answer
    x = 14,232.67

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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.