Home / 16,920.88-25,381.32-5,233.84

Finding the Fourth Proportional to 16,920.88, 25,381.32 and 5,233.84

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Solution

The fourth proportional to 16,920.88, 25,381.32 and 5,233.84 is: 7,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.88 : 25,381.32 = 5,233.84 : x
  2. Step 2: Convert to fraction form
    16,920.88/25,381.32 = 5,233.84/x
  3. Step 3: Cross multiply
    16,920.88x = 25,381.32 × 5,233.84
  4. Step 4: Simplify right side
    16,920.88x = 132,841,767.87
  5. Step 5: Solve for x
    x = 132,841,767.87/16,920.88
  6. Step 6: Final answer
    x = 7,850.76

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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.