Home / 16,419.10-24,629.20-5,325.88

Finding the Fourth Proportional to 16,419.10, 24,629.20 and 5,325.88

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Solution

The fourth proportional to 16,419.10, 24,629.20 and 5,325.88 is: 7,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.10 : 24,629.20 = 5,325.88 : x
  2. Step 2: Convert to fraction form
    16,419.10/24,629.20 = 5,325.88/x
  3. Step 3: Cross multiply
    16,419.10x = 24,629.20 × 5,325.88
  4. Step 4: Simplify right side
    16,419.10x = 131,172,163.70
  5. Step 5: Solve for x
    x = 131,172,163.70/16,419.10
  6. Step 6: Final answer
    x = 7,989.00

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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.