Home / 26,920.46-40,382.74-8,202.09

Finding the Fourth Proportional to 26,920.46, 40,382.74 and 8,202.09

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Solution

The fourth proportional to 26,920.46, 40,382.74 and 8,202.09 is: 12,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.46 : 40,382.74 = 8,202.09 : x
  2. Step 2: Convert to fraction form
    26,920.46/40,382.74 = 8,202.09/x
  3. Step 3: Cross multiply
    26,920.46x = 40,382.74 × 8,202.09
  4. Step 4: Simplify right side
    26,920.46x = 331,222,826.92
  5. Step 5: Solve for x
    x = 331,222,826.92/26,920.46
  6. Step 6: Final answer
    x = 12,303.76

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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.