Home / 16,906.48-25,363.87-11,918.60

Finding the Fourth Proportional to 16,906.48, 25,363.87 and 11,918.60

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Solution

The fourth proportional to 16,906.48, 25,363.87 and 11,918.60 is: 17,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.48 : 25,363.87 = 11,918.60 : x
  2. Step 2: Convert to fraction form
    16,906.48/25,363.87 = 11,918.60/x
  3. Step 3: Cross multiply
    16,906.48x = 25,363.87 × 11,918.60
  4. Step 4: Simplify right side
    16,906.48x = 302,301,820.98
  5. Step 5: Solve for x
    x = 302,301,820.98/16,906.48
  6. Step 6: Final answer
    x = 17,880.83

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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.