Home / 22,393.22-30,902.64-12,321.44

Finding the Fourth Proportional to 22,393.22, 30,902.64 and 12,321.44

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Solution

The fourth proportional to 22,393.22, 30,902.64 and 12,321.44 is: 17,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.22 : 30,902.64 = 12,321.44 : x
  2. Step 2: Convert to fraction form
    22,393.22/30,902.64 = 12,321.44/x
  3. Step 3: Cross multiply
    22,393.22x = 30,902.64 × 12,321.44
  4. Step 4: Simplify right side
    22,393.22x = 380,765,024.60
  5. Step 5: Solve for x
    x = 380,765,024.60/22,393.22
  6. Step 6: Final answer
    x = 17,003.59

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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.