Home / 26,591.21-36,699.91-20,207.39

Finding the Fourth Proportional to 26,591.21, 36,699.91 and 20,207.39

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Solution

The fourth proportional to 26,591.21, 36,699.91 and 20,207.39 is: 27,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.21 : 36,699.91 = 20,207.39 : x
  2. Step 2: Convert to fraction form
    26,591.21/36,699.91 = 20,207.39/x
  3. Step 3: Cross multiply
    26,591.21x = 36,699.91 × 20,207.39
  4. Step 4: Simplify right side
    26,591.21x = 741,609,394.33
  5. Step 5: Solve for x
    x = 741,609,394.33/26,591.21
  6. Step 6: Final answer
    x = 27,889.27

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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.