Home / 16,991.96-25,492.53-12,092.70

Finding the Fourth Proportional to 16,991.96, 25,492.53 and 12,092.70

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Solution

The fourth proportional to 16,991.96, 25,492.53 and 12,092.70 is: 18,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.96 : 25,492.53 = 12,092.70 : x
  2. Step 2: Convert to fraction form
    16,991.96/25,492.53 = 12,092.70/x
  3. Step 3: Cross multiply
    16,991.96x = 25,492.53 × 12,092.70
  4. Step 4: Simplify right side
    16,991.96x = 308,273,562.88
  5. Step 5: Solve for x
    x = 308,273,562.88/16,991.96
  6. Step 6: Final answer
    x = 18,142.32

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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.