Home / 21,465.21-32,198.09-6,673.80

Finding the Fourth Proportional to 21,465.21, 32,198.09 and 6,673.80

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Solution

The fourth proportional to 21,465.21, 32,198.09 and 6,673.80 is: 10,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.21 : 32,198.09 = 6,673.80 : x
  2. Step 2: Convert to fraction form
    21,465.21/32,198.09 = 6,673.80/x
  3. Step 3: Cross multiply
    21,465.21x = 32,198.09 × 6,673.80
  4. Step 4: Simplify right side
    21,465.21x = 214,883,579.67
  5. Step 5: Solve for x
    x = 214,883,579.67/21,465.21
  6. Step 6: Final answer
    x = 10,010.78

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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.