Home / 19,894.44-27,445.13-11,922.83

Finding the Fourth Proportional to 19,894.44, 27,445.13 and 11,922.83

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Solution

The fourth proportional to 19,894.44, 27,445.13 and 11,922.83 is: 16,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.44 : 27,445.13 = 11,922.83 : x
  2. Step 2: Convert to fraction form
    19,894.44/27,445.13 = 11,922.83/x
  3. Step 3: Cross multiply
    19,894.44x = 27,445.13 × 11,922.83
  4. Step 4: Simplify right side
    19,894.44x = 327,223,570.11
  5. Step 5: Solve for x
    x = 327,223,570.11/19,894.44
  6. Step 6: Final answer
    x = 16,447.99

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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.