Home / 21,052.10-29,049.83-11,620.05

Finding the Fourth Proportional to 21,052.10, 29,049.83 and 11,620.05

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Solution

The fourth proportional to 21,052.10, 29,049.83 and 11,620.05 is: 16,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.10 : 29,049.83 = 11,620.05 : x
  2. Step 2: Convert to fraction form
    21,052.10/29,049.83 = 11,620.05/x
  3. Step 3: Cross multiply
    21,052.10x = 29,049.83 × 11,620.05
  4. Step 4: Simplify right side
    21,052.10x = 337,560,418.99
  5. Step 5: Solve for x
    x = 337,560,418.99/21,052.10
  6. Step 6: Final answer
    x = 16,034.53

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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.