Home / 18,193.14-25,098.06-11,819.28

Finding the Fourth Proportional to 18,193.14, 25,098.06 and 11,819.28

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Solution

The fourth proportional to 18,193.14, 25,098.06 and 11,819.28 is: 16,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.14 : 25,098.06 = 11,819.28 : x
  2. Step 2: Convert to fraction form
    18,193.14/25,098.06 = 11,819.28/x
  3. Step 3: Cross multiply
    18,193.14x = 25,098.06 × 11,819.28
  4. Step 4: Simplify right side
    18,193.14x = 296,640,998.60
  5. Step 5: Solve for x
    x = 296,640,998.60/18,193.14
  6. Step 6: Final answer
    x = 16,305.10

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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.