Home / 21,984.75-32,982.35-7,193.66

Finding the Fourth Proportional to 21,984.75, 32,982.35 and 7,193.66

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Solution

The fourth proportional to 21,984.75, 32,982.35 and 7,193.66 is: 10,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.75 : 32,982.35 = 7,193.66 : x
  2. Step 2: Convert to fraction form
    21,984.75/32,982.35 = 7,193.66/x
  3. Step 3: Cross multiply
    21,984.75x = 32,982.35 × 7,193.66
  4. Step 4: Simplify right side
    21,984.75x = 237,263,611.02
  5. Step 5: Solve for x
    x = 237,263,611.02/21,984.75
  6. Step 6: Final answer
    x = 10,792.19

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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.