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Finding the Fourth Proportional to 13,896.64, 19,194.20 and 10,113.81

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Solution

The fourth proportional to 13,896.64, 19,194.20 and 10,113.81 is: 13,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.64 : 19,194.20 = 10,113.81 : x
  2. Step 2: Convert to fraction form
    13,896.64/19,194.20 = 10,113.81/x
  3. Step 3: Cross multiply
    13,896.64x = 19,194.20 × 10,113.81
  4. Step 4: Simplify right side
    13,896.64x = 194,126,491.90
  5. Step 5: Solve for x
    x = 194,126,491.90/13,896.64
  6. Step 6: Final answer
    x = 13,969.31

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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.