Home / 25,357.25-38,020.68-12,033.56

Finding the Fourth Proportional to 25,357.25, 38,020.68 and 12,033.56

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Solution

The fourth proportional to 25,357.25, 38,020.68 and 12,033.56 is: 18,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.25 : 38,020.68 = 12,033.56 : x
  2. Step 2: Convert to fraction form
    25,357.25/38,020.68 = 12,033.56/x
  3. Step 3: Cross multiply
    25,357.25x = 38,020.68 × 12,033.56
  4. Step 4: Simplify right side
    25,357.25x = 457,524,069.05
  5. Step 5: Solve for x
    x = 457,524,069.05/25,357.25
  6. Step 6: Final answer
    x = 18,043.13

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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.