Home / 20,795.24-31,183.40-13,446.92

Finding the Fourth Proportional to 20,795.24, 31,183.40 and 13,446.92

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Solution

The fourth proportional to 20,795.24, 31,183.40 and 13,446.92 is: 20,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.24 : 31,183.40 = 13,446.92 : x
  2. Step 2: Convert to fraction form
    20,795.24/31,183.40 = 13,446.92/x
  3. Step 3: Cross multiply
    20,795.24x = 31,183.40 × 13,446.92
  4. Step 4: Simplify right side
    20,795.24x = 419,320,562.83
  5. Step 5: Solve for x
    x = 419,320,562.83/20,795.24
  6. Step 6: Final answer
    x = 20,164.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.