Home / 18,819.32-25,974.70-11,267.33

Finding the Fourth Proportional to 18,819.32, 25,974.70 and 11,267.33

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Solution

The fourth proportional to 18,819.32, 25,974.70 and 11,267.33 is: 15,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.32 : 25,974.70 = 11,267.33 : x
  2. Step 2: Convert to fraction form
    18,819.32/25,974.70 = 11,267.33/x
  3. Step 3: Cross multiply
    18,819.32x = 25,974.70 × 11,267.33
  4. Step 4: Simplify right side
    18,819.32x = 292,665,516.55
  5. Step 5: Solve for x
    x = 292,665,516.55/18,819.32
  6. Step 6: Final answer
    x = 15,551.34

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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.