Home / 15,986.28-22,059.60-9,272.18

Finding the Fourth Proportional to 15,986.28, 22,059.60 and 9,272.18

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Solution

The fourth proportional to 15,986.28, 22,059.60 and 9,272.18 is: 12,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.28 : 22,059.60 = 9,272.18 : x
  2. Step 2: Convert to fraction form
    15,986.28/22,059.60 = 9,272.18/x
  3. Step 3: Cross multiply
    15,986.28x = 22,059.60 × 9,272.18
  4. Step 4: Simplify right side
    15,986.28x = 204,540,581.93
  5. Step 5: Solve for x
    x = 204,540,581.93/15,986.28
  6. Step 6: Final answer
    x = 12,794.76

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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.