Home / 16,908.54-25,367.36-5,815.43

Finding the Fourth Proportional to 16,908.54, 25,367.36 and 5,815.43

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Solution

The fourth proportional to 16,908.54, 25,367.36 and 5,815.43 is: 8,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.54 : 25,367.36 = 5,815.43 : x
  2. Step 2: Convert to fraction form
    16,908.54/25,367.36 = 5,815.43/x
  3. Step 3: Cross multiply
    16,908.54x = 25,367.36 × 5,815.43
  4. Step 4: Simplify right side
    16,908.54x = 147,522,106.36
  5. Step 5: Solve for x
    x = 147,522,106.36/16,908.54
  6. Step 6: Final answer
    x = 8,724.71

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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.