Home / 26,769.30-40,131.37-16,886.80

Finding the Fourth Proportional to 26,769.30, 40,131.37 and 16,886.80

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Solution

The fourth proportional to 26,769.30, 40,131.37 and 16,886.80 is: 25,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.30 : 40,131.37 = 16,886.80 : x
  2. Step 2: Convert to fraction form
    26,769.30/40,131.37 = 16,886.80/x
  3. Step 3: Cross multiply
    26,769.30x = 40,131.37 × 16,886.80
  4. Step 4: Simplify right side
    26,769.30x = 677,690,418.92
  5. Step 5: Solve for x
    x = 677,690,418.92/26,769.30
  6. Step 6: Final answer
    x = 25,315.96

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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.