Home / 18,603.23-25,672.67-10,105.44

Finding the Fourth Proportional to 18,603.23, 25,672.67 and 10,105.44

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Solution

The fourth proportional to 18,603.23, 25,672.67 and 10,105.44 is: 13,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.23 : 25,672.67 = 10,105.44 : x
  2. Step 2: Convert to fraction form
    18,603.23/25,672.67 = 10,105.44/x
  3. Step 3: Cross multiply
    18,603.23x = 25,672.67 × 10,105.44
  4. Step 4: Simplify right side
    18,603.23x = 259,433,575.80
  5. Step 5: Solve for x
    x = 259,433,575.80/18,603.23
  6. Step 6: Final answer
    x = 13,945.62

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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.