Home / 23,679.05-35,509.30-8,879.90

Finding the Fourth Proportional to 23,679.05, 35,509.30 and 8,879.90

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Solution

The fourth proportional to 23,679.05, 35,509.30 and 8,879.90 is: 13,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.05 : 35,509.30 = 8,879.90 : x
  2. Step 2: Convert to fraction form
    23,679.05/35,509.30 = 8,879.90/x
  3. Step 3: Cross multiply
    23,679.05x = 35,509.30 × 8,879.90
  4. Step 4: Simplify right side
    23,679.05x = 315,319,099.64
  5. Step 5: Solve for x
    x = 315,319,099.64/23,679.05
  6. Step 6: Final answer
    x = 13,316.37

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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.