Home / 13,049.73-18,016.43-8,580.96

Finding the Fourth Proportional to 13,049.73, 18,016.43 and 8,580.96

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Solution

The fourth proportional to 13,049.73, 18,016.43 and 8,580.96 is: 11,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.73 : 18,016.43 = 8,580.96 : x
  2. Step 2: Convert to fraction form
    13,049.73/18,016.43 = 8,580.96/x
  3. Step 3: Cross multiply
    13,049.73x = 18,016.43 × 8,580.96
  4. Step 4: Simplify right side
    13,049.73x = 154,598,222.27
  5. Step 5: Solve for x
    x = 154,598,222.27/13,049.73
  6. Step 6: Final answer
    x = 11,846.85

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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.