Home / 19,559.08-26,981.49-12,843.73

Finding the Fourth Proportional to 19,559.08, 26,981.49 and 12,843.73

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Solution

The fourth proportional to 19,559.08, 26,981.49 and 12,843.73 is: 17,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.08 : 26,981.49 = 12,843.73 : x
  2. Step 2: Convert to fraction form
    19,559.08/26,981.49 = 12,843.73/x
  3. Step 3: Cross multiply
    19,559.08x = 26,981.49 × 12,843.73
  4. Step 4: Simplify right side
    19,559.08x = 346,542,972.56
  5. Step 5: Solve for x
    x = 346,542,972.56/19,559.08
  6. Step 6: Final answer
    x = 17,717.75

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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.