Home / 26,660.15-39,976.84-8,884.56

Finding the Fourth Proportional to 26,660.15, 39,976.84 and 8,884.56

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Solution

The fourth proportional to 26,660.15, 39,976.84 and 8,884.56 is: 13,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.15 : 39,976.84 = 8,884.56 : x
  2. Step 2: Convert to fraction form
    26,660.15/39,976.84 = 8,884.56/x
  3. Step 3: Cross multiply
    26,660.15x = 39,976.84 × 8,884.56
  4. Step 4: Simplify right side
    26,660.15x = 355,176,611.38
  5. Step 5: Solve for x
    x = 355,176,611.38/26,660.15
  6. Step 6: Final answer
    x = 13,322.38

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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.