Home / 21,993.17-32,995.20-6,410.75

Finding the Fourth Proportional to 21,993.17, 32,995.20 and 6,410.75

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Solution

The fourth proportional to 21,993.17, 32,995.20 and 6,410.75 is: 9,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.17 : 32,995.20 = 6,410.75 : x
  2. Step 2: Convert to fraction form
    21,993.17/32,995.20 = 6,410.75/x
  3. Step 3: Cross multiply
    21,993.17x = 32,995.20 × 6,410.75
  4. Step 4: Simplify right side
    21,993.17x = 211,523,978.40
  5. Step 5: Solve for x
    x = 211,523,978.40/21,993.17
  6. Step 6: Final answer
    x = 9,617.71

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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.