Home / 25,464.30-38,187.31-8,819.86

Finding the Fourth Proportional to 25,464.30, 38,187.31 and 8,819.86

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Solution

The fourth proportional to 25,464.30, 38,187.31 and 8,819.86 is: 13,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.30 : 38,187.31 = 8,819.86 : x
  2. Step 2: Convert to fraction form
    25,464.30/38,187.31 = 8,819.86/x
  3. Step 3: Cross multiply
    25,464.30x = 38,187.31 × 8,819.86
  4. Step 4: Simplify right side
    25,464.30x = 336,806,727.98
  5. Step 5: Solve for x
    x = 336,806,727.98/25,464.30
  6. Step 6: Final answer
    x = 13,226.62

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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.