Home / 16,847.89-25,251.34-11,918.95

Finding the Fourth Proportional to 16,847.89, 25,251.34 and 11,918.95

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Solution

The fourth proportional to 16,847.89, 25,251.34 and 11,918.95 is: 17,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.89 : 25,251.34 = 11,918.95 : x
  2. Step 2: Convert to fraction form
    16,847.89/25,251.34 = 11,918.95/x
  3. Step 3: Cross multiply
    16,847.89x = 25,251.34 × 11,918.95
  4. Step 4: Simplify right side
    16,847.89x = 300,969,458.89
  5. Step 5: Solve for x
    x = 300,969,458.89/16,847.89
  6. Step 6: Final answer
    x = 17,863.93

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1.5x scale

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.