Home / 20,247.41-27,940.15-11,295.49

Finding the Fourth Proportional to 20,247.41, 27,940.15 and 11,295.49

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Solution

The fourth proportional to 20,247.41, 27,940.15 and 11,295.49 is: 15,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.41 : 27,940.15 = 11,295.49 : x
  2. Step 2: Convert to fraction form
    20,247.41/27,940.15 = 11,295.49/x
  3. Step 3: Cross multiply
    20,247.41x = 27,940.15 × 11,295.49
  4. Step 4: Simplify right side
    20,247.41x = 315,597,684.92
  5. Step 5: Solve for x
    x = 315,597,684.92/20,247.41
  6. Step 6: Final answer
    x = 15,587.06

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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.