Home / 18,512.18-25,546.34-10,958.63

Finding the Fourth Proportional to 18,512.18, 25,546.34 and 10,958.63

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Solution

The fourth proportional to 18,512.18, 25,546.34 and 10,958.63 is: 15,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.18 : 25,546.34 = 10,958.63 : x
  2. Step 2: Convert to fraction form
    18,512.18/25,546.34 = 10,958.63/x
  3. Step 3: Cross multiply
    18,512.18x = 25,546.34 × 10,958.63
  4. Step 4: Simplify right side
    18,512.18x = 279,952,725.94
  5. Step 5: Solve for x
    x = 279,952,725.94/18,512.18
  6. Step 6: Final answer
    x = 15,122.62

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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.