Home / 19,755.01-27,261.66-11,807.83

Finding the Fourth Proportional to 19,755.01, 27,261.66 and 11,807.83

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Solution

The fourth proportional to 19,755.01, 27,261.66 and 11,807.83 is: 16,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.01 : 27,261.66 = 11,807.83 : x
  2. Step 2: Convert to fraction form
    19,755.01/27,261.66 = 11,807.83/x
  3. Step 3: Cross multiply
    19,755.01x = 27,261.66 × 11,807.83
  4. Step 4: Simplify right side
    19,755.01x = 321,901,046.80
  5. Step 5: Solve for x
    x = 321,901,046.80/19,755.01
  6. Step 6: Final answer
    x = 16,294.65

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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.