Home / 19,157.62-26,433.55-11,198.30

Finding the Fourth Proportional to 19,157.62, 26,433.55 and 11,198.30

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Solution

The fourth proportional to 19,157.62, 26,433.55 and 11,198.30 is: 15,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.62 : 26,433.55 = 11,198.30 : x
  2. Step 2: Convert to fraction form
    19,157.62/26,433.55 = 11,198.30/x
  3. Step 3: Cross multiply
    19,157.62x = 26,433.55 × 11,198.30
  4. Step 4: Simplify right side
    19,157.62x = 296,010,889.05
  5. Step 5: Solve for x
    x = 296,010,889.05/19,157.62
  6. Step 6: Final answer
    x = 15,451.34

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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.