Home / 21,571.75-32,357.63-5,989.39

Finding the Fourth Proportional to 21,571.75, 32,357.63 and 5,989.39

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Solution

The fourth proportional to 21,571.75, 32,357.63 and 5,989.39 is: 8,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.75 : 32,357.63 = 5,989.39 : x
  2. Step 2: Convert to fraction form
    21,571.75/32,357.63 = 5,989.39/x
  3. Step 3: Cross multiply
    21,571.75x = 32,357.63 × 5,989.39
  4. Step 4: Simplify right side
    21,571.75x = 193,802,435.60
  5. Step 5: Solve for x
    x = 193,802,435.60/21,571.75
  6. Step 6: Final answer
    x = 8,984.09

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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.