Home / 16,105.12-24,158.40-4,419.52

Finding the Fourth Proportional to 16,105.12, 24,158.40 and 4,419.52

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Solution

The fourth proportional to 16,105.12, 24,158.40 and 4,419.52 is: 6,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.12 : 24,158.40 = 4,419.52 : x
  2. Step 2: Convert to fraction form
    16,105.12/24,158.40 = 4,419.52/x
  3. Step 3: Cross multiply
    16,105.12x = 24,158.40 × 4,419.52
  4. Step 4: Simplify right side
    16,105.12x = 106,768,531.97
  5. Step 5: Solve for x
    x = 106,768,531.97/16,105.12
  6. Step 6: Final answer
    x = 6,629.48

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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.