Home / 18,435.45-27,652.23-6,747.75

Finding the Fourth Proportional to 18,435.45, 27,652.23 and 6,747.75

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Solution

The fourth proportional to 18,435.45, 27,652.23 and 6,747.75 is: 10,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.45 : 27,652.23 = 6,747.75 : x
  2. Step 2: Convert to fraction form
    18,435.45/27,652.23 = 6,747.75/x
  3. Step 3: Cross multiply
    18,435.45x = 27,652.23 × 6,747.75
  4. Step 4: Simplify right side
    18,435.45x = 186,590,334.98
  5. Step 5: Solve for x
    x = 186,590,334.98/18,435.45
  6. Step 6: Final answer
    x = 10,121.28

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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.