Home / 19,617.92-27,072.16-11,120.83

Finding the Fourth Proportional to 19,617.92, 27,072.16 and 11,120.83

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Solution

The fourth proportional to 19,617.92, 27,072.16 and 11,120.83 is: 15,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.92 : 27,072.16 = 11,120.83 : x
  2. Step 2: Convert to fraction form
    19,617.92/27,072.16 = 11,120.83/x
  3. Step 3: Cross multiply
    19,617.92x = 27,072.16 × 11,120.83
  4. Step 4: Simplify right side
    19,617.92x = 301,064,753.73
  5. Step 5: Solve for x
    x = 301,064,753.73/19,617.92
  6. Step 6: Final answer
    x = 15,346.42

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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.