Home / 27,195.51-40,782.20-8,469.26

Finding the Fourth Proportional to 27,195.51, 40,782.20 and 8,469.26

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Solution

The fourth proportional to 27,195.51, 40,782.20 and 8,469.26 is: 12,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.51 : 40,782.20 = 8,469.26 : x
  2. Step 2: Convert to fraction form
    27,195.51/40,782.20 = 8,469.26/x
  3. Step 3: Cross multiply
    27,195.51x = 40,782.20 × 8,469.26
  4. Step 4: Simplify right side
    27,195.51x = 345,394,808.91
  5. Step 5: Solve for x
    x = 345,394,808.91/27,195.51
  6. Step 6: Final answer
    x = 12,700.44

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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.