Home / 43,144.44-64,717.02-11,982.12

Finding the Fourth Proportional to 43,144.44, 64,717.02 and 11,982.12

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Solution

The fourth proportional to 43,144.44, 64,717.02 and 11,982.12 is: 17,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.44 : 64,717.02 = 11,982.12 : x
  2. Step 2: Convert to fraction form
    43,144.44/64,717.02 = 11,982.12/x
  3. Step 3: Cross multiply
    43,144.44x = 64,717.02 × 11,982.12
  4. Step 4: Simplify right side
    43,144.44x = 775,447,099.68
  5. Step 5: Solve for x
    x = 775,447,099.68/43,144.44
  6. Step 6: Final answer
    x = 17,973.28

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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.