Home / 20,227.52-27,916.40-11,844

Finding the Fourth Proportional to 20,227.52, 27,916.40 and 11,844

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Solution

The fourth proportional to 20,227.52, 27,916.40 and 11,844 is: 16,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.52 : 27,916.40 = 11,844 : x
  2. Step 2: Convert to fraction form
    20,227.52/27,916.40 = 11,844/x
  3. Step 3: Cross multiply
    20,227.52x = 27,916.40 × 11,844
  4. Step 4: Simplify right side
    20,227.52x = 330,641,841.60
  5. Step 5: Solve for x
    x = 330,641,841.60/20,227.52
  6. Step 6: Final answer
    x = 16,346.14

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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.