Home / 21,655.28-32,483.88-6,072.56

Finding the Fourth Proportional to 21,655.28, 32,483.88 and 6,072.56

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Solution

The fourth proportional to 21,655.28, 32,483.88 and 6,072.56 is: 9,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.28 : 32,483.88 = 6,072.56 : x
  2. Step 2: Convert to fraction form
    21,655.28/32,483.88 = 6,072.56/x
  3. Step 3: Cross multiply
    21,655.28x = 32,483.88 × 6,072.56
  4. Step 4: Simplify right side
    21,655.28x = 197,260,310.33
  5. Step 5: Solve for x
    x = 197,260,310.33/21,655.28
  6. Step 6: Final answer
    x = 9,109.11

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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.