Home / 17,331.80-23,911.47-11,366.78

Finding the Fourth Proportional to 17,331.80, 23,911.47 and 11,366.78

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Solution

The fourth proportional to 17,331.80, 23,911.47 and 11,366.78 is: 15,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.80 : 23,911.47 = 11,366.78 : x
  2. Step 2: Convert to fraction form
    17,331.80/23,911.47 = 11,366.78/x
  3. Step 3: Cross multiply
    17,331.80x = 23,911.47 × 11,366.78
  4. Step 4: Simplify right side
    17,331.80x = 271,796,418.97
  5. Step 5: Solve for x
    x = 271,796,418.97/17,331.80
  6. Step 6: Final answer
    x = 15,681.95

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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.