Home / 15,913.56-23,861.94-5,379.96

Finding the Fourth Proportional to 15,913.56, 23,861.94 and 5,379.96

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Solution

The fourth proportional to 15,913.56, 23,861.94 and 5,379.96 is: 8,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.56 : 23,861.94 = 5,379.96 : x
  2. Step 2: Convert to fraction form
    15,913.56/23,861.94 = 5,379.96/x
  3. Step 3: Cross multiply
    15,913.56x = 23,861.94 × 5,379.96
  4. Step 4: Simplify right side
    15,913.56x = 128,376,282.72
  5. Step 5: Solve for x
    x = 128,376,282.72/15,913.56
  6. Step 6: Final answer
    x = 8,067.10

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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.