Home / 16,845-25,273.08-5,158.32

Finding the Fourth Proportional to 16,845, 25,273.08 and 5,158.32

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Solution

The fourth proportional to 16,845, 25,273.08 and 5,158.32 is: 7,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845 : 25,273.08 = 5,158.32 : x
  2. Step 2: Convert to fraction form
    16,845/25,273.08 = 5,158.32/x
  3. Step 3: Cross multiply
    16,845x = 25,273.08 × 5,158.32
  4. Step 4: Simplify right side
    16,845x = 130,366,634.03
  5. Step 5: Solve for x
    x = 130,366,634.03/16,845
  6. Step 6: Final answer
    x = 7,739.19

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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.