Home / 27,773.07-38,286.96-19,801.45

Finding the Fourth Proportional to 27,773.07, 38,286.96 and 19,801.45

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Solution

The fourth proportional to 27,773.07, 38,286.96 and 19,801.45 is: 27,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.07 : 38,286.96 = 19,801.45 : x
  2. Step 2: Convert to fraction form
    27,773.07/38,286.96 = 19,801.45/x
  3. Step 3: Cross multiply
    27,773.07x = 38,286.96 × 19,801.45
  4. Step 4: Simplify right side
    27,773.07x = 758,137,324.09
  5. Step 5: Solve for x
    x = 758,137,324.09/27,773.07
  6. Step 6: Final answer
    x = 27,297.57

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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.