Home / 18,601.44-27,900.10-5,453.96

Finding the Fourth Proportional to 18,601.44, 27,900.10 and 5,453.96

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Solution

The fourth proportional to 18,601.44, 27,900.10 and 5,453.96 is: 8,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.44 : 27,900.10 = 5,453.96 : x
  2. Step 2: Convert to fraction form
    18,601.44/27,900.10 = 5,453.96/x
  3. Step 3: Cross multiply
    18,601.44x = 27,900.10 × 5,453.96
  4. Step 4: Simplify right side
    18,601.44x = 152,166,029.40
  5. Step 5: Solve for x
    x = 152,166,029.40/18,601.44
  6. Step 6: Final answer
    x = 8,180.34

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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.