Home / 16,936.94-25,390.29-8,612.30

Finding the Fourth Proportional to 16,936.94, 25,390.29 and 8,612.30

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Solution

The fourth proportional to 16,936.94, 25,390.29 and 8,612.30 is: 12,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.94 : 25,390.29 = 8,612.30 : x
  2. Step 2: Convert to fraction form
    16,936.94/25,390.29 = 8,612.30/x
  3. Step 3: Cross multiply
    16,936.94x = 25,390.29 × 8,612.30
  4. Step 4: Simplify right side
    16,936.94x = 218,668,794.57
  5. Step 5: Solve for x
    x = 218,668,794.57/16,936.94
  6. Step 6: Final answer
    x = 12,910.76

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1.5x scale

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.