Home / 19,792.33-29,663.11-8,091.61

Finding the Fourth Proportional to 19,792.33, 29,663.11 and 8,091.61

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Solution

The fourth proportional to 19,792.33, 29,663.11 and 8,091.61 is: 12,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.33 : 29,663.11 = 8,091.61 : x
  2. Step 2: Convert to fraction form
    19,792.33/29,663.11 = 8,091.61/x
  3. Step 3: Cross multiply
    19,792.33x = 29,663.11 × 8,091.61
  4. Step 4: Simplify right side
    19,792.33x = 240,022,317.51
  5. Step 5: Solve for x
    x = 240,022,317.51/19,792.33
  6. Step 6: Final answer
    x = 12,127.04

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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.