Home / 18,603.24-25,671.81-10,105.05

Finding the Fourth Proportional to 18,603.24, 25,671.81 and 10,105.05

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Solution

The fourth proportional to 18,603.24, 25,671.81 and 10,105.05 is: 13,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.24 : 25,671.81 = 10,105.05 : x
  2. Step 2: Convert to fraction form
    18,603.24/25,671.81 = 10,105.05/x
  3. Step 3: Cross multiply
    18,603.24x = 25,671.81 × 10,105.05
  4. Step 4: Simplify right side
    18,603.24x = 259,414,923.64
  5. Step 5: Solve for x
    x = 259,414,923.64/18,603.24
  6. Step 6: Final answer
    x = 13,944.61

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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.