Home / 19,728.06-27,224.91-11,773.86

Finding the Fourth Proportional to 19,728.06, 27,224.91 and 11,773.86

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Solution

The fourth proportional to 19,728.06, 27,224.91 and 11,773.86 is: 16,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.06 : 27,224.91 = 11,773.86 : x
  2. Step 2: Convert to fraction form
    19,728.06/27,224.91 = 11,773.86/x
  3. Step 3: Cross multiply
    19,728.06x = 27,224.91 × 11,773.86
  4. Step 4: Simplify right side
    19,728.06x = 320,542,278.85
  5. Step 5: Solve for x
    x = 320,542,278.85/19,728.06
  6. Step 6: Final answer
    x = 16,248.04

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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.