Home / 25,869.12-38,797.92-10,282.56

Finding the Fourth Proportional to 25,869.12, 38,797.92 and 10,282.56

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Solution

The fourth proportional to 25,869.12, 38,797.92 and 10,282.56 is: 15,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.12 : 38,797.92 = 10,282.56 : x
  2. Step 2: Convert to fraction form
    25,869.12/38,797.92 = 10,282.56/x
  3. Step 3: Cross multiply
    25,869.12x = 38,797.92 × 10,282.56
  4. Step 4: Simplify right side
    25,869.12x = 398,941,940.28
  5. Step 5: Solve for x
    x = 398,941,940.28/25,869.12
  6. Step 6: Final answer
    x = 15,421.55

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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.