Home / 19,773.72-27,288.09-11,276.82

Finding the Fourth Proportional to 19,773.72, 27,288.09 and 11,276.82

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Solution

The fourth proportional to 19,773.72, 27,288.09 and 11,276.82 is: 15,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.72 : 27,288.09 = 11,276.82 : x
  2. Step 2: Convert to fraction form
    19,773.72/27,288.09 = 11,276.82/x
  3. Step 3: Cross multiply
    19,773.72x = 27,288.09 × 11,276.82
  4. Step 4: Simplify right side
    19,773.72x = 307,722,879.07
  5. Step 5: Solve for x
    x = 307,722,879.07/19,773.72
  6. Step 6: Final answer
    x = 15,562.21

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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.