Home / 34,286.22-51,431.63-13,226.49

Finding the Fourth Proportional to 34,286.22, 51,431.63 and 13,226.49

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Solution

The fourth proportional to 34,286.22, 51,431.63 and 13,226.49 is: 19,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.22 : 51,431.63 = 13,226.49 : x
  2. Step 2: Convert to fraction form
    34,286.22/51,431.63 = 13,226.49/x
  3. Step 3: Cross multiply
    34,286.22x = 51,431.63 × 13,226.49
  4. Step 4: Simplify right side
    34,286.22x = 680,259,873.75
  5. Step 5: Solve for x
    x = 680,259,873.75/34,286.22
  6. Step 6: Final answer
    x = 19,840.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.