Home / 25,821.78-35,620.88-16,874.52

Finding the Fourth Proportional to 25,821.78, 35,620.88 and 16,874.52

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Solution

The fourth proportional to 25,821.78, 35,620.88 and 16,874.52 is: 23,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.78 : 35,620.88 = 16,874.52 : x
  2. Step 2: Convert to fraction form
    25,821.78/35,620.88 = 16,874.52/x
  3. Step 3: Cross multiply
    25,821.78x = 35,620.88 × 16,874.52
  4. Step 4: Simplify right side
    25,821.78x = 601,085,251.98
  5. Step 5: Solve for x
    x = 601,085,251.98/25,821.78
  6. Step 6: Final answer
    x = 23,278.23

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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.