Home / 13,741.62-18,963.30-7,453.98

Finding the Fourth Proportional to 13,741.62, 18,963.30 and 7,453.98

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Solution

The fourth proportional to 13,741.62, 18,963.30 and 7,453.98 is: 10,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.62 : 18,963.30 = 7,453.98 : x
  2. Step 2: Convert to fraction form
    13,741.62/18,963.30 = 7,453.98/x
  3. Step 3: Cross multiply
    13,741.62x = 18,963.30 × 7,453.98
  4. Step 4: Simplify right side
    13,741.62x = 141,352,058.93
  5. Step 5: Solve for x
    x = 141,352,058.93/13,741.62
  6. Step 6: Final answer
    x = 10,286.42

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1.5x scale

Why These Related Problems?

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