Home / 26,620.81-36,769.43-19,936.29

Finding the Fourth Proportional to 26,620.81, 36,769.43 and 19,936.29

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Solution

The fourth proportional to 26,620.81, 36,769.43 and 19,936.29 is: 27,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.81 : 36,769.43 = 19,936.29 : x
  2. Step 2: Convert to fraction form
    26,620.81/36,769.43 = 19,936.29/x
  3. Step 3: Cross multiply
    26,620.81x = 36,769.43 × 19,936.29
  4. Step 4: Simplify right side
    26,620.81x = 733,046,019.61
  5. Step 5: Solve for x
    x = 733,046,019.61/26,620.81
  6. Step 6: Final answer
    x = 27,536.58

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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.