Home / 13,928.28-20,893.10-4,567.47

Finding the Fourth Proportional to 13,928.28, 20,893.10 and 4,567.47

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Solution

The fourth proportional to 13,928.28, 20,893.10 and 4,567.47 is: 6,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.28 : 20,893.10 = 4,567.47 : x
  2. Step 2: Convert to fraction form
    13,928.28/20,893.10 = 4,567.47/x
  3. Step 3: Cross multiply
    13,928.28x = 20,893.10 × 4,567.47
  4. Step 4: Simplify right side
    13,928.28x = 95,428,584.62
  5. Step 5: Solve for x
    x = 95,428,584.62/13,928.28
  6. Step 6: Final answer
    x = 6,851.43

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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.