Home / 18,664.97-25,755.79-11,493.74

Finding the Fourth Proportional to 18,664.97, 25,755.79 and 11,493.74

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Solution

The fourth proportional to 18,664.97, 25,755.79 and 11,493.74 is: 15,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.97 : 25,755.79 = 11,493.74 : x
  2. Step 2: Convert to fraction form
    18,664.97/25,755.79 = 11,493.74/x
  3. Step 3: Cross multiply
    18,664.97x = 25,755.79 × 11,493.74
  4. Step 4: Simplify right side
    18,664.97x = 296,030,350.29
  5. Step 5: Solve for x
    x = 296,030,350.29/18,664.97
  6. Step 6: Final answer
    x = 15,860.21

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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.