Home / 21,184.56-29,234.28-11,753.04

Finding the Fourth Proportional to 21,184.56, 29,234.28 and 11,753.04

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Solution

The fourth proportional to 21,184.56, 29,234.28 and 11,753.04 is: 16,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.56 : 29,234.28 = 11,753.04 : x
  2. Step 2: Convert to fraction form
    21,184.56/29,234.28 = 11,753.04/x
  3. Step 3: Cross multiply
    21,184.56x = 29,234.28 × 11,753.04
  4. Step 4: Simplify right side
    21,184.56x = 343,591,662.21
  5. Step 5: Solve for x
    x = 343,591,662.21/21,184.56
  6. Step 6: Final answer
    x = 16,218.97

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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.