Home / 16,721.88-25,084.91-6,190.12

Finding the Fourth Proportional to 16,721.88, 25,084.91 and 6,190.12

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Solution

The fourth proportional to 16,721.88, 25,084.91 and 6,190.12 is: 9,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.88 : 25,084.91 = 6,190.12 : x
  2. Step 2: Convert to fraction form
    16,721.88/25,084.91 = 6,190.12/x
  3. Step 3: Cross multiply
    16,721.88x = 25,084.91 × 6,190.12
  4. Step 4: Simplify right side
    16,721.88x = 155,278,603.09
  5. Step 5: Solve for x
    x = 155,278,603.09/16,721.88
  6. Step 6: Final answer
    x = 9,285.95

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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.