Home / 19,613.25-27,069.93-11,229.75

Finding the Fourth Proportional to 19,613.25, 27,069.93 and 11,229.75

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Solution

The fourth proportional to 19,613.25, 27,069.93 and 11,229.75 is: 15,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.25 : 27,069.93 = 11,229.75 : x
  2. Step 2: Convert to fraction form
    19,613.25/27,069.93 = 11,229.75/x
  3. Step 3: Cross multiply
    19,613.25x = 27,069.93 × 11,229.75
  4. Step 4: Simplify right side
    19,613.25x = 303,988,546.42
  5. Step 5: Solve for x
    x = 303,988,546.42/19,613.25
  6. Step 6: Final answer
    x = 15,499.14

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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.