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Finding the Fourth Proportional to 14,850.09, 20,471.46 and 11,307.15

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Solution

The fourth proportional to 14,850.09, 20,471.46 and 11,307.15 is: 15,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850.09 : 20,471.46 = 11,307.15 : x
  2. Step 2: Convert to fraction form
    14,850.09/20,471.46 = 11,307.15/x
  3. Step 3: Cross multiply
    14,850.09x = 20,471.46 × 11,307.15
  4. Step 4: Simplify right side
    14,850.09x = 231,473,868.94
  5. Step 5: Solve for x
    x = 231,473,868.94/14,850.09
  6. Step 6: Final answer
    x = 15,587.37

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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.