Home / 25,238.88-34,843.62-15,169.76

Finding the Fourth Proportional to 25,238.88, 34,843.62 and 15,169.76

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Solution

The fourth proportional to 25,238.88, 34,843.62 and 15,169.76 is: 20,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.88 : 34,843.62 = 15,169.76 : x
  2. Step 2: Convert to fraction form
    25,238.88/34,843.62 = 15,169.76/x
  3. Step 3: Cross multiply
    25,238.88x = 34,843.62 × 15,169.76
  4. Step 4: Simplify right side
    25,238.88x = 528,569,352.93
  5. Step 5: Solve for x
    x = 528,569,352.93/25,238.88
  6. Step 6: Final answer
    x = 20,942.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.