Home / 21,672.22-32,512.38-6,877.16

Finding the Fourth Proportional to 21,672.22, 32,512.38 and 6,877.16

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Solution

The fourth proportional to 21,672.22, 32,512.38 and 6,877.16 is: 10,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672.22 : 32,512.38 = 6,877.16 : x
  2. Step 2: Convert to fraction form
    21,672.22/32,512.38 = 6,877.16/x
  3. Step 3: Cross multiply
    21,672.22x = 32,512.38 × 6,877.16
  4. Step 4: Simplify right side
    21,672.22x = 223,592,839.24
  5. Step 5: Solve for x
    x = 223,592,839.24/21,672.22
  6. Step 6: Final answer
    x = 10,317.03

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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.