Home / 18,809.73-25,956.68-11,251.56

Finding the Fourth Proportional to 18,809.73, 25,956.68 and 11,251.56

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Solution

The fourth proportional to 18,809.73, 25,956.68 and 11,251.56 is: 15,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.73 : 25,956.68 = 11,251.56 : x
  2. Step 2: Convert to fraction form
    18,809.73/25,956.68 = 11,251.56/x
  3. Step 3: Cross multiply
    18,809.73x = 25,956.68 × 11,251.56
  4. Step 4: Simplify right side
    18,809.73x = 292,053,100.78
  5. Step 5: Solve for x
    x = 292,053,100.78/18,809.73
  6. Step 6: Final answer
    x = 15,526.70

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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.