Home / 22,489.37-31,021.48-18,023.78

Finding the Fourth Proportional to 22,489.37, 31,021.48 and 18,023.78

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Solution

The fourth proportional to 22,489.37, 31,021.48 and 18,023.78 is: 24,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.37 : 31,021.48 = 18,023.78 : x
  2. Step 2: Convert to fraction form
    22,489.37/31,021.48 = 18,023.78/x
  3. Step 3: Cross multiply
    22,489.37x = 31,021.48 × 18,023.78
  4. Step 4: Simplify right side
    22,489.37x = 559,124,553.34
  5. Step 5: Solve for x
    x = 559,124,553.34/22,489.37
  6. Step 6: Final answer
    x = 24,861.73

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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.