Home / 19,962.05-29,937.97-5,918.80

Finding the Fourth Proportional to 19,962.05, 29,937.97 and 5,918.80

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Solution

The fourth proportional to 19,962.05, 29,937.97 and 5,918.80 is: 8,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.05 : 29,937.97 = 5,918.80 : x
  2. Step 2: Convert to fraction form
    19,962.05/29,937.97 = 5,918.80/x
  3. Step 3: Cross multiply
    19,962.05x = 29,937.97 × 5,918.80
  4. Step 4: Simplify right side
    19,962.05x = 177,196,677.55
  5. Step 5: Solve for x
    x = 177,196,677.55/19,962.05
  6. Step 6: Final answer
    x = 8,876.68

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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.