Home / 23,520.96-35,422.24-21,421.44

Finding the Fourth Proportional to 23,520.96, 35,422.24 and 21,421.44

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Solution

The fourth proportional to 23,520.96, 35,422.24 and 21,421.44 is: 32,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.96 : 35,422.24 = 21,421.44 : x
  2. Step 2: Convert to fraction form
    23,520.96/35,422.24 = 21,421.44/x
  3. Step 3: Cross multiply
    23,520.96x = 35,422.24 × 21,421.44
  4. Step 4: Simplify right side
    23,520.96x = 758,795,388.83
  5. Step 5: Solve for x
    x = 758,795,388.83/23,520.96
  6. Step 6: Final answer
    x = 32,260.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.