Home / 16,739.94-25,131.78-14,159.28

Finding the Fourth Proportional to 16,739.94, 25,131.78 and 14,159.28

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Solution

The fourth proportional to 16,739.94, 25,131.78 and 14,159.28 is: 21,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.94 : 25,131.78 = 14,159.28 : x
  2. Step 2: Convert to fraction form
    16,739.94/25,131.78 = 14,159.28/x
  3. Step 3: Cross multiply
    16,739.94x = 25,131.78 × 14,159.28
  4. Step 4: Simplify right side
    16,739.94x = 355,847,909.92
  5. Step 5: Solve for x
    x = 355,847,909.92/16,739.94
  6. Step 6: Final answer
    x = 21,257.42

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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.