Home / 16,935.94-25,388.79-8,611.30

Finding the Fourth Proportional to 16,935.94, 25,388.79 and 8,611.30

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Solution

The fourth proportional to 16,935.94, 25,388.79 and 8,611.30 is: 12,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.94 : 25,388.79 = 8,611.30 : x
  2. Step 2: Convert to fraction form
    16,935.94/25,388.79 = 8,611.30/x
  3. Step 3: Cross multiply
    16,935.94x = 25,388.79 × 8,611.30
  4. Step 4: Simplify right side
    16,935.94x = 218,630,487.33
  5. Step 5: Solve for x
    x = 218,630,487.33/16,935.94
  6. Step 6: Final answer
    x = 12,909.26

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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.