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Finding the Fourth Proportional to 16,639.14, 22,962 and 9,187.14

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Solution

The fourth proportional to 16,639.14, 22,962 and 9,187.14 is: 12,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.14 : 22,962 = 9,187.14 : x
  2. Step 2: Convert to fraction form
    16,639.14/22,962 = 9,187.14/x
  3. Step 3: Cross multiply
    16,639.14x = 22,962 × 9,187.14
  4. Step 4: Simplify right side
    16,639.14x = 210,955,108.68
  5. Step 5: Solve for x
    x = 210,955,108.68/16,639.14
  6. Step 6: Final answer
    x = 12,678.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.