Home / 25,829.32-38,757.06-19,268.68

Finding the Fourth Proportional to 25,829.32, 38,757.06 and 19,268.68

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Solution

The fourth proportional to 25,829.32, 38,757.06 and 19,268.68 is: 28,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.32 : 38,757.06 = 19,268.68 : x
  2. Step 2: Convert to fraction form
    25,829.32/38,757.06 = 19,268.68/x
  3. Step 3: Cross multiply
    25,829.32x = 38,757.06 × 19,268.68
  4. Step 4: Simplify right side
    25,829.32x = 746,797,386.88
  5. Step 5: Solve for x
    x = 746,797,386.88/25,829.32
  6. Step 6: Final answer
    x = 28,912.78

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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.