Home / 22,167.96-30,589.66-12,231.32

Finding the Fourth Proportional to 22,167.96, 30,589.66 and 12,231.32

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Solution

The fourth proportional to 22,167.96, 30,589.66 and 12,231.32 is: 16,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.96 : 30,589.66 = 12,231.32 : x
  2. Step 2: Convert to fraction form
    22,167.96/30,589.66 = 12,231.32/x
  3. Step 3: Cross multiply
    22,167.96x = 30,589.66 × 12,231.32
  4. Step 4: Simplify right side
    22,167.96x = 374,151,920.15
  5. Step 5: Solve for x
    x = 374,151,920.15/22,167.96
  6. Step 6: Final answer
    x = 16,878.05

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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.