Home / 26,441.90-39,661.70-8,911.65

Finding the Fourth Proportional to 26,441.90, 39,661.70 and 8,911.65

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Solution

The fourth proportional to 26,441.90, 39,661.70 and 8,911.65 is: 13,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.90 : 39,661.70 = 8,911.65 : x
  2. Step 2: Convert to fraction form
    26,441.90/39,661.70 = 8,911.65/x
  3. Step 3: Cross multiply
    26,441.90x = 39,661.70 × 8,911.65
  4. Step 4: Simplify right side
    26,441.90x = 353,451,144.25
  5. Step 5: Solve for x
    x = 353,451,144.25/26,441.90
  6. Step 6: Final answer
    x = 13,367.09

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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.