Home / 18,730.62-25,850.84-10,772.64

Finding the Fourth Proportional to 18,730.62, 25,850.84 and 10,772.64

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Solution

The fourth proportional to 18,730.62, 25,850.84 and 10,772.64 is: 14,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.62 : 25,850.84 = 10,772.64 : x
  2. Step 2: Convert to fraction form
    18,730.62/25,850.84 = 10,772.64/x
  3. Step 3: Cross multiply
    18,730.62x = 25,850.84 × 10,772.64
  4. Step 4: Simplify right side
    18,730.62x = 278,481,739.15
  5. Step 5: Solve for x
    x = 278,481,739.15/18,730.62
  6. Step 6: Final answer
    x = 14,867.73

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1.5x scale

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.