Home / 17,131.86-25,698.30-4,651.80

Finding the Fourth Proportional to 17,131.86, 25,698.30 and 4,651.80

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Solution

The fourth proportional to 17,131.86, 25,698.30 and 4,651.80 is: 6,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.86 : 25,698.30 = 4,651.80 : x
  2. Step 2: Convert to fraction form
    17,131.86/25,698.30 = 4,651.80/x
  3. Step 3: Cross multiply
    17,131.86x = 25,698.30 × 4,651.80
  4. Step 4: Simplify right side
    17,131.86x = 119,543,351.94
  5. Step 5: Solve for x
    x = 119,543,351.94/17,131.86
  6. Step 6: Final answer
    x = 6,977.84

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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.