Home / 19,540.49-26,956.94-11,578.19

Finding the Fourth Proportional to 19,540.49, 26,956.94 and 11,578.19

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Solution

The fourth proportional to 19,540.49, 26,956.94 and 11,578.19 is: 15,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.49 : 26,956.94 = 11,578.19 : x
  2. Step 2: Convert to fraction form
    19,540.49/26,956.94 = 11,578.19/x
  3. Step 3: Cross multiply
    19,540.49x = 26,956.94 × 11,578.19
  4. Step 4: Simplify right side
    19,540.49x = 312,112,380.46
  5. Step 5: Solve for x
    x = 312,112,380.46/19,540.49
  6. Step 6: Final answer
    x = 15,972.60

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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.