Home / 25,198.81-37,770.42-10,399.61

Finding the Fourth Proportional to 25,198.81, 37,770.42 and 10,399.61

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Solution

The fourth proportional to 25,198.81, 37,770.42 and 10,399.61 is: 15,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198.81 : 37,770.42 = 10,399.61 : x
  2. Step 2: Convert to fraction form
    25,198.81/37,770.42 = 10,399.61/x
  3. Step 3: Cross multiply
    25,198.81x = 37,770.42 × 10,399.61
  4. Step 4: Simplify right side
    25,198.81x = 392,797,637.54
  5. Step 5: Solve for x
    x = 392,797,637.54/25,198.81
  6. Step 6: Final answer
    x = 15,587.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.