Home / 25,115.94-34,664.78-16,618.23

Finding the Fourth Proportional to 25,115.94, 34,664.78 and 16,618.23

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Solution

The fourth proportional to 25,115.94, 34,664.78 and 16,618.23 is: 22,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.94 : 34,664.78 = 16,618.23 : x
  2. Step 2: Convert to fraction form
    25,115.94/34,664.78 = 16,618.23/x
  3. Step 3: Cross multiply
    25,115.94x = 34,664.78 × 16,618.23
  4. Step 4: Simplify right side
    25,115.94x = 576,067,203.85
  5. Step 5: Solve for x
    x = 576,067,203.85/25,115.94
  6. Step 6: Final answer
    x = 22,936.32

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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.