Home / 18,015.89-27,025.28-6,331.73

Finding the Fourth Proportional to 18,015.89, 27,025.28 and 6,331.73

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Solution

The fourth proportional to 18,015.89, 27,025.28 and 6,331.73 is: 9,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.89 : 27,025.28 = 6,331.73 : x
  2. Step 2: Convert to fraction form
    18,015.89/27,025.28 = 6,331.73/x
  3. Step 3: Cross multiply
    18,015.89x = 27,025.28 × 6,331.73
  4. Step 4: Simplify right side
    18,015.89x = 171,116,744.48
  5. Step 5: Solve for x
    x = 171,116,744.48/18,015.89
  6. Step 6: Final answer
    x = 9,498.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.