Home / 25,694.66-38,518.61-9,889.61

Finding the Fourth Proportional to 25,694.66, 38,518.61 and 9,889.61

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Solution

The fourth proportional to 25,694.66, 38,518.61 and 9,889.61 is: 14,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.66 : 38,518.61 = 9,889.61 : x
  2. Step 2: Convert to fraction form
    25,694.66/38,518.61 = 9,889.61/x
  3. Step 3: Cross multiply
    25,694.66x = 38,518.61 × 9,889.61
  4. Step 4: Simplify right side
    25,694.66x = 380,933,788.60
  5. Step 5: Solve for x
    x = 380,933,788.60/25,694.66
  6. Step 6: Final answer
    x = 14,825.41

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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.