Home / 18,003.12-24,844.14-9,936.86

Finding the Fourth Proportional to 18,003.12, 24,844.14 and 9,936.86

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Solution

The fourth proportional to 18,003.12, 24,844.14 and 9,936.86 is: 13,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.12 : 24,844.14 = 9,936.86 : x
  2. Step 2: Convert to fraction form
    18,003.12/24,844.14 = 9,936.86/x
  3. Step 3: Cross multiply
    18,003.12x = 24,844.14 × 9,936.86
  4. Step 4: Simplify right side
    18,003.12x = 246,872,741.00
  5. Step 5: Solve for x
    x = 246,872,741.00/18,003.12
  6. Step 6: Final answer
    x = 13,712.78

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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.