Home / 21,591.09-32,396.94-11,202.84

Finding the Fourth Proportional to 21,591.09, 32,396.94 and 11,202.84

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Solution

The fourth proportional to 21,591.09, 32,396.94 and 11,202.84 is: 16,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.09 : 32,396.94 = 11,202.84 : x
  2. Step 2: Convert to fraction form
    21,591.09/32,396.94 = 11,202.84/x
  3. Step 3: Cross multiply
    21,591.09x = 32,396.94 × 11,202.84
  4. Step 4: Simplify right side
    21,591.09x = 362,937,735.31
  5. Step 5: Solve for x
    x = 362,937,735.31/21,591.09
  6. Step 6: Final answer
    x = 16,809.61

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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.