Home / 16,664.81-24,979.79-7,889.27

Finding the Fourth Proportional to 16,664.81, 24,979.79 and 7,889.27

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Solution

The fourth proportional to 16,664.81, 24,979.79 and 7,889.27 is: 11,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.81 : 24,979.79 = 7,889.27 : x
  2. Step 2: Convert to fraction form
    16,664.81/24,979.79 = 7,889.27/x
  3. Step 3: Cross multiply
    16,664.81x = 24,979.79 × 7,889.27
  4. Step 4: Simplify right side
    16,664.81x = 197,072,202.68
  5. Step 5: Solve for x
    x = 197,072,202.68/16,664.81
  6. Step 6: Final answer
    x = 11,825.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.