Home / 14,906.24-20,570.19-8,191.88

Finding the Fourth Proportional to 14,906.24, 20,570.19 and 8,191.88

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Solution

The fourth proportional to 14,906.24, 20,570.19 and 8,191.88 is: 11,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.24 : 20,570.19 = 8,191.88 : x
  2. Step 2: Convert to fraction form
    14,906.24/20,570.19 = 8,191.88/x
  3. Step 3: Cross multiply
    14,906.24x = 20,570.19 × 8,191.88
  4. Step 4: Simplify right side
    14,906.24x = 168,508,425.21
  5. Step 5: Solve for x
    x = 168,508,425.21/14,906.24
  6. Step 6: Final answer
    x = 11,304.55

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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.