Home / 22,734.91-31,374.24-13,176.65

Finding the Fourth Proportional to 22,734.91, 31,374.24 and 13,176.65

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Solution

The fourth proportional to 22,734.91, 31,374.24 and 13,176.65 is: 18,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.91 : 31,374.24 = 13,176.65 : x
  2. Step 2: Convert to fraction form
    22,734.91/31,374.24 = 13,176.65/x
  3. Step 3: Cross multiply
    22,734.91x = 31,374.24 × 13,176.65
  4. Step 4: Simplify right side
    22,734.91x = 413,407,379.50
  5. Step 5: Solve for x
    x = 413,407,379.50/22,734.91
  6. Step 6: Final answer
    x = 18,183.81

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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.