Home / 17,481.18-26,199.88-13,768.75

Finding the Fourth Proportional to 17,481.18, 26,199.88 and 13,768.75

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Solution

The fourth proportional to 17,481.18, 26,199.88 and 13,768.75 is: 20,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.18 : 26,199.88 = 13,768.75 : x
  2. Step 2: Convert to fraction form
    17,481.18/26,199.88 = 13,768.75/x
  3. Step 3: Cross multiply
    17,481.18x = 26,199.88 × 13,768.75
  4. Step 4: Simplify right side
    17,481.18x = 360,739,597.75
  5. Step 5: Solve for x
    x = 360,739,597.75/17,481.18
  6. Step 6: Final answer
    x = 20,635.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.