Home / 15,066.35-20,791.75-8,694.26

Finding the Fourth Proportional to 15,066.35, 20,791.75 and 8,694.26

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Solution

The fourth proportional to 15,066.35, 20,791.75 and 8,694.26 is: 11,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.35 : 20,791.75 = 8,694.26 : x
  2. Step 2: Convert to fraction form
    15,066.35/20,791.75 = 8,694.26/x
  3. Step 3: Cross multiply
    15,066.35x = 20,791.75 × 8,694.26
  4. Step 4: Simplify right side
    15,066.35x = 180,768,849.64
  5. Step 5: Solve for x
    x = 180,768,849.64/15,066.35
  6. Step 6: Final answer
    x = 11,998.19

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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.