Home / 18,410.07-25,405.21-11,251.97

Finding the Fourth Proportional to 18,410.07, 25,405.21 and 11,251.97

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Solution

The fourth proportional to 18,410.07, 25,405.21 and 11,251.97 is: 15,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.07 : 25,405.21 = 11,251.97 : x
  2. Step 2: Convert to fraction form
    18,410.07/25,405.21 = 11,251.97/x
  3. Step 3: Cross multiply
    18,410.07x = 25,405.21 × 11,251.97
  4. Step 4: Simplify right side
    18,410.07x = 285,858,660.76
  5. Step 5: Solve for x
    x = 285,858,660.76/18,410.07
  6. Step 6: Final answer
    x = 15,527.30

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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.