Home / 26,613.26-39,912.33-7,894.70

Finding the Fourth Proportional to 26,613.26, 39,912.33 and 7,894.70

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Solution

The fourth proportional to 26,613.26, 39,912.33 and 7,894.70 is: 11,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.26 : 39,912.33 = 7,894.70 : x
  2. Step 2: Convert to fraction form
    26,613.26/39,912.33 = 7,894.70/x
  3. Step 3: Cross multiply
    26,613.26x = 39,912.33 × 7,894.70
  4. Step 4: Simplify right side
    26,613.26x = 315,095,871.65
  5. Step 5: Solve for x
    x = 315,095,871.65/26,613.26
  6. Step 6: Final answer
    x = 11,839.81

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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.