Home / 19,716.54-27,209.08-11,763.36

Finding the Fourth Proportional to 19,716.54, 27,209.08 and 11,763.36

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Solution

The fourth proportional to 19,716.54, 27,209.08 and 11,763.36 is: 16,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.54 : 27,209.08 = 11,763.36 : x
  2. Step 2: Convert to fraction form
    19,716.54/27,209.08 = 11,763.36/x
  3. Step 3: Cross multiply
    19,716.54x = 27,209.08 × 11,763.36
  4. Step 4: Simplify right side
    19,716.54x = 320,070,203.31
  5. Step 5: Solve for x
    x = 320,070,203.31/19,716.54
  6. Step 6: Final answer
    x = 16,233.59

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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.