Home / 17,131.48-23,634.50-11,391.68

Finding the Fourth Proportional to 17,131.48, 23,634.50 and 11,391.68

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Solution

The fourth proportional to 17,131.48, 23,634.50 and 11,391.68 is: 15,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.48 : 23,634.50 = 11,391.68 : x
  2. Step 2: Convert to fraction form
    17,131.48/23,634.50 = 11,391.68/x
  3. Step 3: Cross multiply
    17,131.48x = 23,634.50 × 11,391.68
  4. Step 4: Simplify right side
    17,131.48x = 269,236,660.96
  5. Step 5: Solve for x
    x = 269,236,660.96/17,131.48
  6. Step 6: Final answer
    x = 15,715.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.