Home / 15,066.03-20,791.12-8,351.64

Finding the Fourth Proportional to 15,066.03, 20,791.12 and 8,351.64

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Solution

The fourth proportional to 15,066.03, 20,791.12 and 8,351.64 is: 11,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.03 : 20,791.12 = 8,351.64 : x
  2. Step 2: Convert to fraction form
    15,066.03/20,791.12 = 8,351.64/x
  3. Step 3: Cross multiply
    15,066.03x = 20,791.12 × 8,351.64
  4. Step 4: Simplify right side
    15,066.03x = 173,639,907.68
  5. Step 5: Solve for x
    x = 173,639,907.68/15,066.03
  6. Step 6: Final answer
    x = 11,525.26

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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.