Home / 15,121.83-22,688.96-6,683.88

Finding the Fourth Proportional to 15,121.83, 22,688.96 and 6,683.88

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Solution

The fourth proportional to 15,121.83, 22,688.96 and 6,683.88 is: 10,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.83 : 22,688.96 = 6,683.88 : x
  2. Step 2: Convert to fraction form
    15,121.83/22,688.96 = 6,683.88/x
  3. Step 3: Cross multiply
    15,121.83x = 22,688.96 × 6,683.88
  4. Step 4: Simplify right side
    15,121.83x = 151,650,252.55
  5. Step 5: Solve for x
    x = 151,650,252.55/15,121.83
  6. Step 6: Final answer
    x = 10,028.56

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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.