Home / 12,014.19-18,020.61-3,248.44

Finding the Fourth Proportional to 12,014.19, 18,020.61 and 3,248.44

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Solution

The fourth proportional to 12,014.19, 18,020.61 and 3,248.44 is: 4,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.19 : 18,020.61 = 3,248.44 : x
  2. Step 2: Convert to fraction form
    12,014.19/18,020.61 = 3,248.44/x
  3. Step 3: Cross multiply
    12,014.19x = 18,020.61 × 3,248.44
  4. Step 4: Simplify right side
    12,014.19x = 58,538,825.30
  5. Step 5: Solve for x
    x = 58,538,825.30/12,014.19
  6. Step 6: Final answer
    x = 4,872.47

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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.