Home / 26,318.36-39,475.92-8,786.72

Finding the Fourth Proportional to 26,318.36, 39,475.92 and 8,786.72

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Solution

The fourth proportional to 26,318.36, 39,475.92 and 8,786.72 is: 13,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.36 : 39,475.92 = 8,786.72 : x
  2. Step 2: Convert to fraction form
    26,318.36/39,475.92 = 8,786.72/x
  3. Step 3: Cross multiply
    26,318.36x = 39,475.92 × 8,786.72
  4. Step 4: Simplify right side
    26,318.36x = 346,863,855.78
  5. Step 5: Solve for x
    x = 346,863,855.78/26,318.36
  6. Step 6: Final answer
    x = 13,179.54

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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.