Home / 18,005.03-24,847.25-9,939.63

Finding the Fourth Proportional to 18,005.03, 24,847.25 and 9,939.63

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Solution

The fourth proportional to 18,005.03, 24,847.25 and 9,939.63 is: 13,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.03 : 24,847.25 = 9,939.63 : x
  2. Step 2: Convert to fraction form
    18,005.03/24,847.25 = 9,939.63/x
  3. Step 3: Cross multiply
    18,005.03x = 24,847.25 × 9,939.63
  4. Step 4: Simplify right side
    18,005.03x = 246,972,496.37
  5. Step 5: Solve for x
    x = 246,972,496.37/18,005.03
  6. Step 6: Final answer
    x = 13,716.86

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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.