Home / 18,517.34-25,553.94-10,133.84

Finding the Fourth Proportional to 18,517.34, 25,553.94 and 10,133.84

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Solution

The fourth proportional to 18,517.34, 25,553.94 and 10,133.84 is: 13,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.34 : 25,553.94 = 10,133.84 : x
  2. Step 2: Convert to fraction form
    18,517.34/25,553.94 = 10,133.84/x
  3. Step 3: Cross multiply
    18,517.34x = 25,553.94 × 10,133.84
  4. Step 4: Simplify right side
    18,517.34x = 258,959,539.33
  5. Step 5: Solve for x
    x = 258,959,539.33/18,517.34
  6. Step 6: Final answer
    x = 13,984.71

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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.