Home / 19,804.82-27,329.85-11,851.43

Finding the Fourth Proportional to 19,804.82, 27,329.85 and 11,851.43

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Solution

The fourth proportional to 19,804.82, 27,329.85 and 11,851.43 is: 16,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.82 : 27,329.85 = 11,851.43 : x
  2. Step 2: Convert to fraction form
    19,804.82/27,329.85 = 11,851.43/x
  3. Step 3: Cross multiply
    19,804.82x = 27,329.85 × 11,851.43
  4. Step 4: Simplify right side
    19,804.82x = 323,897,667.54
  5. Step 5: Solve for x
    x = 323,897,667.54/19,804.82
  6. Step 6: Final answer
    x = 16,354.49

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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.