Home / 19,956.60-27,540.30-11,004.42

Finding the Fourth Proportional to 19,956.60, 27,540.30 and 11,004.42

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Solution

The fourth proportional to 19,956.60, 27,540.30 and 11,004.42 is: 15,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.60 : 27,540.30 = 11,004.42 : x
  2. Step 2: Convert to fraction form
    19,956.60/27,540.30 = 11,004.42/x
  3. Step 3: Cross multiply
    19,956.60x = 27,540.30 × 11,004.42
  4. Step 4: Simplify right side
    19,956.60x = 303,065,028.13
  5. Step 5: Solve for x
    x = 303,065,028.13/19,956.60
  6. Step 6: Final answer
    x = 15,186.21

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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.