Home / 20,196.18-27,869.83-11,576.19

Finding the Fourth Proportional to 20,196.18, 27,869.83 and 11,576.19

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Solution

The fourth proportional to 20,196.18, 27,869.83 and 11,576.19 is: 15,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.18 : 27,869.83 = 11,576.19 : x
  2. Step 2: Convert to fraction form
    20,196.18/27,869.83 = 11,576.19/x
  3. Step 3: Cross multiply
    20,196.18x = 27,869.83 × 11,576.19
  4. Step 4: Simplify right side
    20,196.18x = 322,626,357.31
  5. Step 5: Solve for x
    x = 322,626,357.31/20,196.18
  6. Step 6: Final answer
    x = 15,974.62

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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.