Home / 20,167.66-27,833.25-12,212.02

Finding the Fourth Proportional to 20,167.66, 27,833.25 and 12,212.02

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Solution

The fourth proportional to 20,167.66, 27,833.25 and 12,212.02 is: 16,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.66 : 27,833.25 = 12,212.02 : x
  2. Step 2: Convert to fraction form
    20,167.66/27,833.25 = 12,212.02/x
  3. Step 3: Cross multiply
    20,167.66x = 27,833.25 × 12,212.02
  4. Step 4: Simplify right side
    20,167.66x = 339,900,205.67
  5. Step 5: Solve for x
    x = 339,900,205.67/20,167.66
  6. Step 6: Final answer
    x = 16,853.73

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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.