Home / 21,184.20-29,234.52-11,752.02

Finding the Fourth Proportional to 21,184.20, 29,234.52 and 11,752.02

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Solution

The fourth proportional to 21,184.20, 29,234.52 and 11,752.02 is: 16,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.20 : 29,234.52 = 11,752.02 : x
  2. Step 2: Convert to fraction form
    21,184.20/29,234.52 = 11,752.02/x
  3. Step 3: Cross multiply
    21,184.20x = 29,234.52 × 11,752.02
  4. Step 4: Simplify right side
    21,184.20x = 343,564,663.73
  5. Step 5: Solve for x
    x = 343,564,663.73/21,184.20
  6. Step 6: Final answer
    x = 16,217.97

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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.