Home / 15,066.27-20,790.59-8,351.55

Finding the Fourth Proportional to 15,066.27, 20,790.59 and 8,351.55

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Solution

The fourth proportional to 15,066.27, 20,790.59 and 8,351.55 is: 11,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.27 : 20,790.59 = 8,351.55 : x
  2. Step 2: Convert to fraction form
    15,066.27/20,790.59 = 8,351.55/x
  3. Step 3: Cross multiply
    15,066.27x = 20,790.59 × 8,351.55
  4. Step 4: Simplify right side
    15,066.27x = 173,633,610.16
  5. Step 5: Solve for x
    x = 173,633,610.16/15,066.27
  6. Step 6: Final answer
    x = 11,524.66

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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.