Home / 19,676.87-27,150.98-11,061.35

Finding the Fourth Proportional to 19,676.87, 27,150.98 and 11,061.35

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Solution

The fourth proportional to 19,676.87, 27,150.98 and 11,061.35 is: 15,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.87 : 27,150.98 = 11,061.35 : x
  2. Step 2: Convert to fraction form
    19,676.87/27,150.98 = 11,061.35/x
  3. Step 3: Cross multiply
    19,676.87x = 27,150.98 × 11,061.35
  4. Step 4: Simplify right side
    19,676.87x = 300,326,505.19
  5. Step 5: Solve for x
    x = 300,326,505.19/19,676.87
  6. Step 6: Final answer
    x = 15,262.92

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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.