Home / 20,270.22-27,957.52-17,442.34

Finding the Fourth Proportional to 20,270.22, 27,957.52 and 17,442.34

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Solution

The fourth proportional to 20,270.22, 27,957.52 and 17,442.34 is: 24,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.22 : 27,957.52 = 17,442.34 : x
  2. Step 2: Convert to fraction form
    20,270.22/27,957.52 = 17,442.34/x
  3. Step 3: Cross multiply
    20,270.22x = 27,957.52 × 17,442.34
  4. Step 4: Simplify right side
    20,270.22x = 487,644,447.72
  5. Step 5: Solve for x
    x = 487,644,447.72/20,270.22
  6. Step 6: Final answer
    x = 24,057.18

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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.