Home / 21,832.27-32,754.78-7,040.86

Finding the Fourth Proportional to 21,832.27, 32,754.78 and 7,040.86

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Solution

The fourth proportional to 21,832.27, 32,754.78 and 7,040.86 is: 10,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.27 : 32,754.78 = 7,040.86 : x
  2. Step 2: Convert to fraction form
    21,832.27/32,754.78 = 7,040.86/x
  3. Step 3: Cross multiply
    21,832.27x = 32,754.78 × 7,040.86
  4. Step 4: Simplify right side
    21,832.27x = 230,621,738.42
  5. Step 5: Solve for x
    x = 230,621,738.42/21,832.27
  6. Step 6: Final answer
    x = 10,563.34

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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.