Home / 26,770.43-36,930.83-18,817.26

Finding the Fourth Proportional to 26,770.43, 36,930.83 and 18,817.26

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Solution

The fourth proportional to 26,770.43, 36,930.83 and 18,817.26 is: 25,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,770.43 : 36,930.83 = 18,817.26 : x
  2. Step 2: Convert to fraction form
    26,770.43/36,930.83 = 18,817.26/x
  3. Step 3: Cross multiply
    26,770.43x = 36,930.83 × 18,817.26
  4. Step 4: Simplify right side
    26,770.43x = 694,936,936.04
  5. Step 5: Solve for x
    x = 694,936,936.04/26,770.43
  6. Step 6: Final answer
    x = 25,959.13

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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.