Home / 16,812.53-25,196.12-6,418.61

Finding the Fourth Proportional to 16,812.53, 25,196.12 and 6,418.61

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Solution

The fourth proportional to 16,812.53, 25,196.12 and 6,418.61 is: 9,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.53 : 25,196.12 = 6,418.61 : x
  2. Step 2: Convert to fraction form
    16,812.53/25,196.12 = 6,418.61/x
  3. Step 3: Cross multiply
    16,812.53x = 25,196.12 × 6,418.61
  4. Step 4: Simplify right side
    16,812.53x = 161,724,035.70
  5. Step 5: Solve for x
    x = 161,724,035.70/16,812.53
  6. Step 6: Final answer
    x = 9,619.26

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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.