Home / 19,911.83-29,871.82-16,647.73

Finding the Fourth Proportional to 19,911.83, 29,871.82 and 16,647.73

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Solution

The fourth proportional to 19,911.83, 29,871.82 and 16,647.73 is: 24,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.83 : 29,871.82 = 16,647.73 : x
  2. Step 2: Convert to fraction form
    19,911.83/29,871.82 = 16,647.73/x
  3. Step 3: Cross multiply
    19,911.83x = 29,871.82 × 16,647.73
  4. Step 4: Simplify right side
    19,911.83x = 497,297,940.10
  5. Step 5: Solve for x
    x = 497,297,940.10/19,911.83
  6. Step 6: Final answer
    x = 24,975.01

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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.