Home / 17,209.44-25,808.64-5,520

Finding the Fourth Proportional to 17,209.44, 25,808.64 and 5,520

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Solution

The fourth proportional to 17,209.44, 25,808.64 and 5,520 is: 8,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.44 : 25,808.64 = 5,520 : x
  2. Step 2: Convert to fraction form
    17,209.44/25,808.64 = 5,520/x
  3. Step 3: Cross multiply
    17,209.44x = 25,808.64 × 5,520
  4. Step 4: Simplify right side
    17,209.44x = 142,463,692.80
  5. Step 5: Solve for x
    x = 142,463,692.80/17,209.44
  6. Step 6: Final answer
    x = 8,278.23

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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.