Home / 19,498.75-26,906.31-11,000.09

Finding the Fourth Proportional to 19,498.75, 26,906.31 and 11,000.09

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Solution

The fourth proportional to 19,498.75, 26,906.31 and 11,000.09 is: 15,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.75 : 26,906.31 = 11,000.09 : x
  2. Step 2: Convert to fraction form
    19,498.75/26,906.31 = 11,000.09/x
  3. Step 3: Cross multiply
    19,498.75x = 26,906.31 × 11,000.09
  4. Step 4: Simplify right side
    19,498.75x = 295,971,898.83
  5. Step 5: Solve for x
    x = 295,971,898.83/19,498.75
  6. Step 6: Final answer
    x = 15,179.02

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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.