Home / 27,315.43-40,940.30-11,514.35

Finding the Fourth Proportional to 27,315.43, 40,940.30 and 11,514.35

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Solution

The fourth proportional to 27,315.43, 40,940.30 and 11,514.35 is: 17,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.43 : 40,940.30 = 11,514.35 : x
  2. Step 2: Convert to fraction form
    27,315.43/40,940.30 = 11,514.35/x
  3. Step 3: Cross multiply
    27,315.43x = 40,940.30 × 11,514.35
  4. Step 4: Simplify right side
    27,315.43x = 471,401,074.44
  5. Step 5: Solve for x
    x = 471,401,074.44/27,315.43
  6. Step 6: Final answer
    x = 17,257.69

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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.