Home / 17,215.62-25,814.89-6,120.64

Finding the Fourth Proportional to 17,215.62, 25,814.89 and 6,120.64

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Solution

The fourth proportional to 17,215.62, 25,814.89 and 6,120.64 is: 9,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.62 : 25,814.89 = 6,120.64 : x
  2. Step 2: Convert to fraction form
    17,215.62/25,814.89 = 6,120.64/x
  3. Step 3: Cross multiply
    17,215.62x = 25,814.89 × 6,120.64
  4. Step 4: Simplify right side
    17,215.62x = 158,003,648.33
  5. Step 5: Solve for x
    x = 158,003,648.33/17,215.62
  6. Step 6: Final answer
    x = 9,177.92

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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.