Home / 19,738.41-27,230.11-12,185.04

Finding the Fourth Proportional to 19,738.41, 27,230.11 and 12,185.04

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Solution

The fourth proportional to 19,738.41, 27,230.11 and 12,185.04 is: 16,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.41 : 27,230.11 = 12,185.04 : x
  2. Step 2: Convert to fraction form
    19,738.41/27,230.11 = 12,185.04/x
  3. Step 3: Cross multiply
    19,738.41x = 27,230.11 × 12,185.04
  4. Step 4: Simplify right side
    19,738.41x = 331,799,979.55
  5. Step 5: Solve for x
    x = 331,799,979.55/19,738.41
  6. Step 6: Final answer
    x = 16,809.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.