Home / 19,540.56-26,954.88-11,581.44

Finding the Fourth Proportional to 19,540.56, 26,954.88 and 11,581.44

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Solution

The fourth proportional to 19,540.56, 26,954.88 and 11,581.44 is: 15,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.56 : 26,954.88 = 11,581.44 : x
  2. Step 2: Convert to fraction form
    19,540.56/26,954.88 = 11,581.44/x
  3. Step 3: Cross multiply
    19,540.56x = 26,954.88 × 11,581.44
  4. Step 4: Simplify right side
    19,540.56x = 312,176,325.43
  5. Step 5: Solve for x
    x = 312,176,325.43/19,540.56
  6. Step 6: Final answer
    x = 15,975.81

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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.