Home / 25,839-38,758.24-17,112.96

Finding the Fourth Proportional to 25,839, 38,758.24 and 17,112.96

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Solution

The fourth proportional to 25,839, 38,758.24 and 17,112.96 is: 25,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839 : 38,758.24 = 17,112.96 : x
  2. Step 2: Convert to fraction form
    25,839/38,758.24 = 17,112.96/x
  3. Step 3: Cross multiply
    25,839x = 38,758.24 × 17,112.96
  4. Step 4: Simplify right side
    25,839x = 663,268,210.79
  5. Step 5: Solve for x
    x = 663,268,210.79/25,839
  6. Step 6: Final answer
    x = 25,669.27

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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.