Home / 19,911.99-29,878.92-16,777.29

Finding the Fourth Proportional to 19,911.99, 29,878.92 and 16,777.29

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Solution

The fourth proportional to 19,911.99, 29,878.92 and 16,777.29 is: 25,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.99 : 29,878.92 = 16,777.29 : x
  2. Step 2: Convert to fraction form
    19,911.99/29,878.92 = 16,777.29/x
  3. Step 3: Cross multiply
    19,911.99x = 29,878.92 × 16,777.29
  4. Step 4: Simplify right side
    19,911.99x = 501,287,305.73
  5. Step 5: Solve for x
    x = 501,287,305.73/19,911.99
  6. Step 6: Final answer
    x = 25,175.15

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1.5x scale

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.