Home / 19,154.70-26,428.32-11,198.88

Finding the Fourth Proportional to 19,154.70, 26,428.32 and 11,198.88

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Solution

The fourth proportional to 19,154.70, 26,428.32 and 11,198.88 is: 15,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.70 : 26,428.32 = 11,198.88 : x
  2. Step 2: Convert to fraction form
    19,154.70/26,428.32 = 11,198.88/x
  3. Step 3: Cross multiply
    19,154.70x = 26,428.32 × 11,198.88
  4. Step 4: Simplify right side
    19,154.70x = 295,967,584.28
  5. Step 5: Solve for x
    x = 295,967,584.28/19,154.70
  6. Step 6: Final answer
    x = 15,451.43

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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.