Home / 15,196.23-20,986.97-11,572.43

Finding the Fourth Proportional to 15,196.23, 20,986.97 and 11,572.43

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Solution

The fourth proportional to 15,196.23, 20,986.97 and 11,572.43 is: 15,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.23 : 20,986.97 = 11,572.43 : x
  2. Step 2: Convert to fraction form
    15,196.23/20,986.97 = 11,572.43/x
  3. Step 3: Cross multiply
    15,196.23x = 20,986.97 × 11,572.43
  4. Step 4: Simplify right side
    15,196.23x = 242,870,078.44
  5. Step 5: Solve for x
    x = 242,870,078.44/15,196.23
  6. Step 6: Final answer
    x = 15,982.26

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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.