Home / 26,115.57-39,174.27-8,586.75

Finding the Fourth Proportional to 26,115.57, 39,174.27 and 8,586.75

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Solution

The fourth proportional to 26,115.57, 39,174.27 and 8,586.75 is: 12,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.57 : 39,174.27 = 8,586.75 : x
  2. Step 2: Convert to fraction form
    26,115.57/39,174.27 = 8,586.75/x
  3. Step 3: Cross multiply
    26,115.57x = 39,174.27 × 8,586.75
  4. Step 4: Simplify right side
    26,115.57x = 336,379,662.92
  5. Step 5: Solve for x
    x = 336,379,662.92/26,115.57
  6. Step 6: Final answer
    x = 12,880.43

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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.