Home / 17,218.80-25,828.20-6,125.85

Finding the Fourth Proportional to 17,218.80, 25,828.20 and 6,125.85

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Solution

The fourth proportional to 17,218.80, 25,828.20 and 6,125.85 is: 9,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.80 : 25,828.20 = 6,125.85 : x
  2. Step 2: Convert to fraction form
    17,218.80/25,828.20 = 6,125.85/x
  3. Step 3: Cross multiply
    17,218.80x = 25,828.20 × 6,125.85
  4. Step 4: Simplify right side
    17,218.80x = 158,219,678.97
  5. Step 5: Solve for x
    x = 158,219,678.97/17,218.80
  6. Step 6: Final answer
    x = 9,188.78

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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.