Home / 15,262.82-21,063.21-8,548.73

Finding the Fourth Proportional to 15,262.82, 21,063.21 and 8,548.73

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Solution

The fourth proportional to 15,262.82, 21,063.21 and 8,548.73 is: 11,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.82 : 21,063.21 = 8,548.73 : x
  2. Step 2: Convert to fraction form
    15,262.82/21,063.21 = 8,548.73/x
  3. Step 3: Cross multiply
    15,262.82x = 21,063.21 × 8,548.73
  4. Step 4: Simplify right side
    15,262.82x = 180,063,695.22
  5. Step 5: Solve for x
    x = 180,063,695.22/15,262.82
  6. Step 6: Final answer
    x = 11,797.54

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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.