Home / 17,469.28-26,199.33-11,921.59

Finding the Fourth Proportional to 17,469.28, 26,199.33 and 11,921.59

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Solution

The fourth proportional to 17,469.28, 26,199.33 and 11,921.59 is: 17,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.28 : 26,199.33 = 11,921.59 : x
  2. Step 2: Convert to fraction form
    17,469.28/26,199.33 = 11,921.59/x
  3. Step 3: Cross multiply
    17,469.28x = 26,199.33 × 11,921.59
  4. Step 4: Simplify right side
    17,469.28x = 312,337,670.53
  5. Step 5: Solve for x
    x = 312,337,670.53/17,469.28
  6. Step 6: Final answer
    x = 17,879.25

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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.