Home / 19,161.62-26,439.07-11,202.30

Finding the Fourth Proportional to 19,161.62, 26,439.07 and 11,202.30

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Solution

The fourth proportional to 19,161.62, 26,439.07 and 11,202.30 is: 15,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.62 : 26,439.07 = 11,202.30 : x
  2. Step 2: Convert to fraction form
    19,161.62/26,439.07 = 11,202.30/x
  3. Step 3: Cross multiply
    19,161.62x = 26,439.07 × 11,202.30
  4. Step 4: Simplify right side
    19,161.62x = 296,178,393.86
  5. Step 5: Solve for x
    x = 296,178,393.86/19,161.62
  6. Step 6: Final answer
    x = 15,456.86

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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.