Home / 13,701.75-18,908.55-7,414.26

Finding the Fourth Proportional to 13,701.75, 18,908.55 and 7,414.26

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Solution

The fourth proportional to 13,701.75, 18,908.55 and 7,414.26 is: 10,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.75 : 18,908.55 = 7,414.26 : x
  2. Step 2: Convert to fraction form
    13,701.75/18,908.55 = 7,414.26/x
  3. Step 3: Cross multiply
    13,701.75x = 18,908.55 × 7,414.26
  4. Step 4: Simplify right side
    13,701.75x = 140,192,905.92
  5. Step 5: Solve for x
    x = 140,192,905.92/13,701.75
  6. Step 6: Final answer
    x = 10,231.75

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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.