Home / 20,072.97-27,674.43-17,270.45

Finding the Fourth Proportional to 20,072.97, 27,674.43 and 17,270.45

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Solution

The fourth proportional to 20,072.97, 27,674.43 and 17,270.45 is: 23,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.97 : 27,674.43 = 17,270.45 : x
  2. Step 2: Convert to fraction form
    20,072.97/27,674.43 = 17,270.45/x
  3. Step 3: Cross multiply
    20,072.97x = 27,674.43 × 17,270.45
  4. Step 4: Simplify right side
    20,072.97x = 477,949,721.22
  5. Step 5: Solve for x
    x = 477,949,721.22/20,072.97
  6. Step 6: Final answer
    x = 23,810.61

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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.