Home / 26,918.57-37,109.12-18,936.02

Finding the Fourth Proportional to 26,918.57, 37,109.12 and 18,936.02

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Solution

The fourth proportional to 26,918.57, 37,109.12 and 18,936.02 is: 26,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.57 : 37,109.12 = 18,936.02 : x
  2. Step 2: Convert to fraction form
    26,918.57/37,109.12 = 18,936.02/x
  3. Step 3: Cross multiply
    26,918.57x = 37,109.12 × 18,936.02
  4. Step 4: Simplify right side
    26,918.57x = 702,698,758.28
  5. Step 5: Solve for x
    x = 702,698,758.28/26,918.57
  6. Step 6: Final answer
    x = 26,104.61

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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.