Home / 13,741.75-18,963.52-7,773.37

Finding the Fourth Proportional to 13,741.75, 18,963.52 and 7,773.37

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Solution

The fourth proportional to 13,741.75, 18,963.52 and 7,773.37 is: 10,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.75 : 18,963.52 = 7,773.37 : x
  2. Step 2: Convert to fraction form
    13,741.75/18,963.52 = 7,773.37/x
  3. Step 3: Cross multiply
    13,741.75x = 18,963.52 × 7,773.37
  4. Step 4: Simplify right side
    13,741.75x = 147,410,390.62
  5. Step 5: Solve for x
    x = 147,410,390.62/13,741.75
  6. Step 6: Final answer
    x = 10,727.19

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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.