Home / 19,894.80-27,453.49-11,396.96

Finding the Fourth Proportional to 19,894.80, 27,453.49 and 11,396.96

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Solution

The fourth proportional to 19,894.80, 27,453.49 and 11,396.96 is: 15,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.80 : 27,453.49 = 11,396.96 : x
  2. Step 2: Convert to fraction form
    19,894.80/27,453.49 = 11,396.96/x
  3. Step 3: Cross multiply
    19,894.80x = 27,453.49 × 11,396.96
  4. Step 4: Simplify right side
    19,894.80x = 312,886,133.14
  5. Step 5: Solve for x
    x = 312,886,133.14/19,894.80
  6. Step 6: Final answer
    x = 15,727.03

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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.