Home / 27,634.05-41,416.38-11,820.48

Finding the Fourth Proportional to 27,634.05, 41,416.38 and 11,820.48

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Solution

The fourth proportional to 27,634.05, 41,416.38 and 11,820.48 is: 17,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.05 : 41,416.38 = 11,820.48 : x
  2. Step 2: Convert to fraction form
    27,634.05/41,416.38 = 11,820.48/x
  3. Step 3: Cross multiply
    27,634.05x = 41,416.38 × 11,820.48
  4. Step 4: Simplify right side
    27,634.05x = 489,561,491.46
  5. Step 5: Solve for x
    x = 489,561,491.46/27,634.05
  6. Step 6: Final answer
    x = 17,715.88

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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.