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Finding the Fourth Proportional to 14,166.27, 21,333.74 and 12,339.45

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Solution

The fourth proportional to 14,166.27, 21,333.74 and 12,339.45 is: 18,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.27 : 21,333.74 = 12,339.45 : x
  2. Step 2: Convert to fraction form
    14,166.27/21,333.74 = 12,339.45/x
  3. Step 3: Cross multiply
    14,166.27x = 21,333.74 × 12,339.45
  4. Step 4: Simplify right side
    14,166.27x = 263,246,556.35
  5. Step 5: Solve for x
    x = 263,246,556.35/14,166.27
  6. Step 6: Final answer
    x = 18,582.63

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.