Home / 18,142.97-25,040.03-11,073.50

Finding the Fourth Proportional to 18,142.97, 25,040.03 and 11,073.50

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Solution

The fourth proportional to 18,142.97, 25,040.03 and 11,073.50 is: 15,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.97 : 25,040.03 = 11,073.50 : x
  2. Step 2: Convert to fraction form
    18,142.97/25,040.03 = 11,073.50/x
  3. Step 3: Cross multiply
    18,142.97x = 25,040.03 × 11,073.50
  4. Step 4: Simplify right side
    18,142.97x = 277,280,591.64
  5. Step 5: Solve for x
    x = 277,280,591.64/18,142.97
  6. Step 6: Final answer
    x = 15,283.09

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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.