Home / 17,015.15-25,523.72-5,169.30

Finding the Fourth Proportional to 17,015.15, 25,523.72 and 5,169.30

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Solution

The fourth proportional to 17,015.15, 25,523.72 and 5,169.30 is: 7,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.15 : 25,523.72 = 5,169.30 : x
  2. Step 2: Convert to fraction form
    17,015.15/25,523.72 = 5,169.30/x
  3. Step 3: Cross multiply
    17,015.15x = 25,523.72 × 5,169.30
  4. Step 4: Simplify right side
    17,015.15x = 131,939,739.95
  5. Step 5: Solve for x
    x = 131,939,739.95/17,015.15
  6. Step 6: Final answer
    x = 7,754.25

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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.