Home / 21,635.55-32,456.70-6,843.06

Finding the Fourth Proportional to 21,635.55, 32,456.70 and 6,843.06

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Solution

The fourth proportional to 21,635.55, 32,456.70 and 6,843.06 is: 10,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.55 : 32,456.70 = 6,843.06 : x
  2. Step 2: Convert to fraction form
    21,635.55/32,456.70 = 6,843.06/x
  3. Step 3: Cross multiply
    21,635.55x = 32,456.70 × 6,843.06
  4. Step 4: Simplify right side
    21,635.55x = 222,103,145.50
  5. Step 5: Solve for x
    x = 222,103,145.50/21,635.55
  6. Step 6: Final answer
    x = 10,265.66

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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.