Home / 43,213.21-64,819.34-11,192.14

Finding the Fourth Proportional to 43,213.21, 64,819.34 and 11,192.14

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Solution

The fourth proportional to 43,213.21, 64,819.34 and 11,192.14 is: 16,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.21 : 64,819.34 = 11,192.14 : x
  2. Step 2: Convert to fraction form
    43,213.21/64,819.34 = 11,192.14/x
  3. Step 3: Cross multiply
    43,213.21x = 64,819.34 × 11,192.14
  4. Step 4: Simplify right side
    43,213.21x = 725,467,195.02
  5. Step 5: Solve for x
    x = 725,467,195.02/43,213.21
  6. Step 6: Final answer
    x = 16,788.09

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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.