Home / 14,609.14-20,162.04-8,642.73

Finding the Fourth Proportional to 14,609.14, 20,162.04 and 8,642.73

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Solution

The fourth proportional to 14,609.14, 20,162.04 and 8,642.73 is: 11,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.14 : 20,162.04 = 8,642.73 : x
  2. Step 2: Convert to fraction form
    14,609.14/20,162.04 = 8,642.73/x
  3. Step 3: Cross multiply
    14,609.14x = 20,162.04 × 8,642.73
  4. Step 4: Simplify right side
    14,609.14x = 174,255,067.97
  5. Step 5: Solve for x
    x = 174,255,067.97/14,609.14
  6. Step 6: Final answer
    x = 11,927.81

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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.