Home / 18,603.73-25,673.62-10,105.85

Finding the Fourth Proportional to 18,603.73, 25,673.62 and 10,105.85

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Solution

The fourth proportional to 18,603.73, 25,673.62 and 10,105.85 is: 13,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.73 : 25,673.62 = 10,105.85 : x
  2. Step 2: Convert to fraction form
    18,603.73/25,673.62 = 10,105.85/x
  3. Step 3: Cross multiply
    18,603.73x = 25,673.62 × 10,105.85
  4. Step 4: Simplify right side
    18,603.73x = 259,453,702.15
  5. Step 5: Solve for x
    x = 259,453,702.15/18,603.73
  6. Step 6: Final answer
    x = 13,946.33

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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.