Home / 14,234.91-21,340.83-5,921.15

Finding the Fourth Proportional to 14,234.91, 21,340.83 and 5,921.15

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Solution

The fourth proportional to 14,234.91, 21,340.83 and 5,921.15 is: 8,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.91 : 21,340.83 = 5,921.15 : x
  2. Step 2: Convert to fraction form
    14,234.91/21,340.83 = 5,921.15/x
  3. Step 3: Cross multiply
    14,234.91x = 21,340.83 × 5,921.15
  4. Step 4: Simplify right side
    14,234.91x = 126,362,148.85
  5. Step 5: Solve for x
    x = 126,362,148.85/14,234.91
  6. Step 6: Final answer
    x = 8,876.92

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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.