Home / 16,964.37-25,448.99-5,278.77

Finding the Fourth Proportional to 16,964.37, 25,448.99 and 5,278.77

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Solution

The fourth proportional to 16,964.37, 25,448.99 and 5,278.77 is: 7,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.37 : 25,448.99 = 5,278.77 : x
  2. Step 2: Convert to fraction form
    16,964.37/25,448.99 = 5,278.77/x
  3. Step 3: Cross multiply
    16,964.37x = 25,448.99 × 5,278.77
  4. Step 4: Simplify right side
    16,964.37x = 134,339,338.55
  5. Step 5: Solve for x
    x = 134,339,338.55/16,964.37
  6. Step 6: Final answer
    x = 7,918.91

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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.