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Finding the Fourth Proportional to 18,999, 26,217.84 and 11,041.16

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Solution

The fourth proportional to 18,999, 26,217.84 and 11,041.16 is: 15,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999 : 26,217.84 = 11,041.16 : x
  2. Step 2: Convert to fraction form
    18,999/26,217.84 = 11,041.16/x
  3. Step 3: Cross multiply
    18,999x = 26,217.84 × 11,041.16
  4. Step 4: Simplify right side
    18,999x = 289,475,366.29
  5. Step 5: Solve for x
    x = 289,475,366.29/18,999
  6. Step 6: Final answer
    x = 15,236.35

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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.