Home / 14,949.24-20,630.19-8,234.79

Finding the Fourth Proportional to 14,949.24, 20,630.19 and 8,234.79

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Solution

The fourth proportional to 14,949.24, 20,630.19 and 8,234.79 is: 11,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.24 : 20,630.19 = 8,234.79 : x
  2. Step 2: Convert to fraction form
    14,949.24/20,630.19 = 8,234.79/x
  3. Step 3: Cross multiply
    14,949.24x = 20,630.19 × 8,234.79
  4. Step 4: Simplify right side
    14,949.24x = 169,885,282.31
  5. Step 5: Solve for x
    x = 169,885,282.31/14,949.24
  6. Step 6: Final answer
    x = 11,364.14

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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.