Home / 13,723.52-18,938.42-7,435.92

Finding the Fourth Proportional to 13,723.52, 18,938.42 and 7,435.92

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Solution

The fourth proportional to 13,723.52, 18,938.42 and 7,435.92 is: 10,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.52 : 18,938.42 = 7,435.92 : x
  2. Step 2: Convert to fraction form
    13,723.52/18,938.42 = 7,435.92/x
  3. Step 3: Cross multiply
    13,723.52x = 18,938.42 × 7,435.92
  4. Step 4: Simplify right side
    13,723.52x = 140,824,576.05
  5. Step 5: Solve for x
    x = 140,824,576.05/13,723.52
  6. Step 6: Final answer
    x = 10,261.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.