Home / 23,183.42-31,991.19-13,750.34

Finding the Fourth Proportional to 23,183.42, 31,991.19 and 13,750.34

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Solution

The fourth proportional to 23,183.42, 31,991.19 and 13,750.34 is: 18,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.42 : 31,991.19 = 13,750.34 : x
  2. Step 2: Convert to fraction form
    23,183.42/31,991.19 = 13,750.34/x
  3. Step 3: Cross multiply
    23,183.42x = 31,991.19 × 13,750.34
  4. Step 4: Simplify right side
    23,183.42x = 439,889,739.50
  5. Step 5: Solve for x
    x = 439,889,739.50/23,183.42
  6. Step 6: Final answer
    x = 18,974.32

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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.