Home / 26,818.80-40,228.20-11,234.80

Finding the Fourth Proportional to 26,818.80, 40,228.20 and 11,234.80

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Solution

The fourth proportional to 26,818.80, 40,228.20 and 11,234.80 is: 16,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.80 : 40,228.20 = 11,234.80 : x
  2. Step 2: Convert to fraction form
    26,818.80/40,228.20 = 11,234.80/x
  3. Step 3: Cross multiply
    26,818.80x = 40,228.20 × 11,234.80
  4. Step 4: Simplify right side
    26,818.80x = 451,955,781.36
  5. Step 5: Solve for x
    x = 451,955,781.36/26,818.80
  6. Step 6: Final answer
    x = 16,852.20

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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.