Home / 22,863.20-31,481.11-20,014.63

Finding the Fourth Proportional to 22,863.20, 31,481.11 and 20,014.63

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Solution

The fourth proportional to 22,863.20, 31,481.11 and 20,014.63 is: 27,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.20 : 31,481.11 = 20,014.63 : x
  2. Step 2: Convert to fraction form
    22,863.20/31,481.11 = 20,014.63/x
  3. Step 3: Cross multiply
    22,863.20x = 31,481.11 × 20,014.63
  4. Step 4: Simplify right side
    22,863.20x = 630,082,768.64
  5. Step 5: Solve for x
    x = 630,082,768.64/22,863.20
  6. Step 6: Final answer
    x = 27,558.82

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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.