Home / 19,682.96-27,155.99-11,724.10

Finding the Fourth Proportional to 19,682.96, 27,155.99 and 11,724.10

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Solution

The fourth proportional to 19,682.96, 27,155.99 and 11,724.10 is: 16,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.96 : 27,155.99 = 11,724.10 : x
  2. Step 2: Convert to fraction form
    19,682.96/27,155.99 = 11,724.10/x
  3. Step 3: Cross multiply
    19,682.96x = 27,155.99 × 11,724.10
  4. Step 4: Simplify right side
    19,682.96x = 318,379,503.78
  5. Step 5: Solve for x
    x = 318,379,503.78/19,682.96
  6. Step 6: Final answer
    x = 16,175.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.