Home / 21,783.22-32,672.23-5,989.85

Finding the Fourth Proportional to 21,783.22, 32,672.23 and 5,989.85

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Solution

The fourth proportional to 21,783.22, 32,672.23 and 5,989.85 is: 8,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783.22 : 32,672.23 = 5,989.85 : x
  2. Step 2: Convert to fraction form
    21,783.22/32,672.23 = 5,989.85/x
  3. Step 3: Cross multiply
    21,783.22x = 32,672.23 × 5,989.85
  4. Step 4: Simplify right side
    21,783.22x = 195,701,834.80
  5. Step 5: Solve for x
    x = 195,701,834.80/21,783.22
  6. Step 6: Final answer
    x = 8,984.06

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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.