Home / 12,027.18-18,024.30-6,764.76

Finding the Fourth Proportional to 12,027.18, 18,024.30 and 6,764.76

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Solution

The fourth proportional to 12,027.18, 18,024.30 and 6,764.76 is: 10,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.18 : 18,024.30 = 6,764.76 : x
  2. Step 2: Convert to fraction form
    12,027.18/18,024.30 = 6,764.76/x
  3. Step 3: Cross multiply
    12,027.18x = 18,024.30 × 6,764.76
  4. Step 4: Simplify right side
    12,027.18x = 121,930,063.67
  5. Step 5: Solve for x
    x = 121,930,063.67/12,027.18
  6. Step 6: Final answer
    x = 10,137.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.