Home / 12,016.74-18,027.54-4,231.02

Finding the Fourth Proportional to 12,016.74, 18,027.54 and 4,231.02

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Solution

The fourth proportional to 12,016.74, 18,027.54 and 4,231.02 is: 6,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.74 : 18,027.54 = 4,231.02 : x
  2. Step 2: Convert to fraction form
    12,016.74/18,027.54 = 4,231.02/x
  3. Step 3: Cross multiply
    12,016.74x = 18,027.54 × 4,231.02
  4. Step 4: Simplify right side
    12,016.74x = 76,274,882.29
  5. Step 5: Solve for x
    x = 76,274,882.29/12,016.74
  6. Step 6: Final answer
    x = 6,347.39

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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.