Home / 15,986.46-22,062-9,270.72

Finding the Fourth Proportional to 15,986.46, 22,062 and 9,270.72

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Solution

The fourth proportional to 15,986.46, 22,062 and 9,270.72 is: 12,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.46 : 22,062 = 9,270.72 : x
  2. Step 2: Convert to fraction form
    15,986.46/22,062 = 9,270.72/x
  3. Step 3: Cross multiply
    15,986.46x = 22,062 × 9,270.72
  4. Step 4: Simplify right side
    15,986.46x = 204,530,624.64
  5. Step 5: Solve for x
    x = 204,530,624.64/15,986.46
  6. Step 6: Final answer
    x = 12,793.99

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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.