Home / 13,851.66-20,777.16-3,463.40

Finding the Fourth Proportional to 13,851.66, 20,777.16 and 3,463.40

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Solution

The fourth proportional to 13,851.66, 20,777.16 and 3,463.40 is: 5,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.66 : 20,777.16 = 3,463.40 : x
  2. Step 2: Convert to fraction form
    13,851.66/20,777.16 = 3,463.40/x
  3. Step 3: Cross multiply
    13,851.66x = 20,777.16 × 3,463.40
  4. Step 4: Simplify right side
    13,851.66x = 71,959,615.94
  5. Step 5: Solve for x
    x = 71,959,615.94/13,851.66
  6. Step 6: Final answer
    x = 5,195.02

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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.