Home / 26,546.46-39,818.78-7,826.80

Finding the Fourth Proportional to 26,546.46, 39,818.78 and 7,826.80

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Solution

The fourth proportional to 26,546.46, 39,818.78 and 7,826.80 is: 11,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,546.46 : 39,818.78 = 7,826.80 : x
  2. Step 2: Convert to fraction form
    26,546.46/39,818.78 = 7,826.80/x
  3. Step 3: Cross multiply
    26,546.46x = 39,818.78 × 7,826.80
  4. Step 4: Simplify right side
    26,546.46x = 311,653,627.30
  5. Step 5: Solve for x
    x = 311,653,627.30/26,546.46
  6. Step 6: Final answer
    x = 11,739.93

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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.