Home / 15,842.22-23,760.57-5,311.20

Finding the Fourth Proportional to 15,842.22, 23,760.57 and 5,311.20

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Solution

The fourth proportional to 15,842.22, 23,760.57 and 5,311.20 is: 7,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.22 : 23,760.57 = 5,311.20 : x
  2. Step 2: Convert to fraction form
    15,842.22/23,760.57 = 5,311.20/x
  3. Step 3: Cross multiply
    15,842.22x = 23,760.57 × 5,311.20
  4. Step 4: Simplify right side
    15,842.22x = 126,197,139.38
  5. Step 5: Solve for x
    x = 126,197,139.38/15,842.22
  6. Step 6: Final answer
    x = 7,965.87

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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.