Home / 25,694.10-38,546.64-10,909.98

Finding the Fourth Proportional to 25,694.10, 38,546.64 and 10,909.98

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Solution

The fourth proportional to 25,694.10, 38,546.64 and 10,909.98 is: 16,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.10 : 38,546.64 = 10,909.98 : x
  2. Step 2: Convert to fraction form
    25,694.10/38,546.64 = 10,909.98/x
  3. Step 3: Cross multiply
    25,694.10x = 38,546.64 × 10,909.98
  4. Step 4: Simplify right side
    25,694.10x = 420,543,071.47
  5. Step 5: Solve for x
    x = 420,543,071.47/25,694.10
  6. Step 6: Final answer
    x = 16,367.30

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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.