Home / 16,958.98-25,436.85-10,381.78

Finding the Fourth Proportional to 16,958.98, 25,436.85 and 10,381.78

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Solution

The fourth proportional to 16,958.98, 25,436.85 and 10,381.78 is: 15,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.98 : 25,436.85 = 10,381.78 : x
  2. Step 2: Convert to fraction form
    16,958.98/25,436.85 = 10,381.78/x
  3. Step 3: Cross multiply
    16,958.98x = 25,436.85 × 10,381.78
  4. Step 4: Simplify right side
    16,958.98x = 264,079,780.59
  5. Step 5: Solve for x
    x = 264,079,780.59/16,958.98
  6. Step 6: Final answer
    x = 15,571.68

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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.