Home / 13,926.64-19,217.55-8,183.48

Finding the Fourth Proportional to 13,926.64, 19,217.55 and 8,183.48

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Solution

The fourth proportional to 13,926.64, 19,217.55 and 8,183.48 is: 11,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.64 : 19,217.55 = 8,183.48 : x
  2. Step 2: Convert to fraction form
    13,926.64/19,217.55 = 8,183.48/x
  3. Step 3: Cross multiply
    13,926.64x = 19,217.55 × 8,183.48
  4. Step 4: Simplify right side
    13,926.64x = 157,266,436.07
  5. Step 5: Solve for x
    x = 157,266,436.07/13,926.64
  6. Step 6: Final answer
    x = 11,292.49

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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.