Home / 13,901.25-19,183.73-7,613.85

Finding the Fourth Proportional to 13,901.25, 19,183.73 and 7,613.85

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Solution

The fourth proportional to 13,901.25, 19,183.73 and 7,613.85 is: 10,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.25 : 19,183.73 = 7,613.85 : x
  2. Step 2: Convert to fraction form
    13,901.25/19,183.73 = 7,613.85/x
  3. Step 3: Cross multiply
    13,901.25x = 19,183.73 × 7,613.85
  4. Step 4: Simplify right side
    13,901.25x = 146,062,004.59
  5. Step 5: Solve for x
    x = 146,062,004.59/13,901.25
  6. Step 6: Final answer
    x = 10,507.11

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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.