Home / 18,244.82-25,177.77-9,861.32

Finding the Fourth Proportional to 18,244.82, 25,177.77 and 9,861.32

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Solution

The fourth proportional to 18,244.82, 25,177.77 and 9,861.32 is: 13,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.82 : 25,177.77 = 9,861.32 : x
  2. Step 2: Convert to fraction form
    18,244.82/25,177.77 = 9,861.32/x
  3. Step 3: Cross multiply
    18,244.82x = 25,177.77 × 9,861.32
  4. Step 4: Simplify right side
    18,244.82x = 248,286,046.86
  5. Step 5: Solve for x
    x = 248,286,046.86/18,244.82
  6. Step 6: Final answer
    x = 13,608.58

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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.