Home / 19,912.14-27,474.35-11,523.78

Finding the Fourth Proportional to 19,912.14, 27,474.35 and 11,523.78

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Solution

The fourth proportional to 19,912.14, 27,474.35 and 11,523.78 is: 15,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.14 : 27,474.35 = 11,523.78 : x
  2. Step 2: Convert to fraction form
    19,912.14/27,474.35 = 11,523.78/x
  3. Step 3: Cross multiply
    19,912.14x = 27,474.35 × 11,523.78
  4. Step 4: Simplify right side
    19,912.14x = 316,608,307.42
  5. Step 5: Solve for x
    x = 316,608,307.42/19,912.14
  6. Step 6: Final answer
    x = 15,900.27

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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.