Home / 19,696.77-27,184.32-11,739.15

Finding the Fourth Proportional to 19,696.77, 27,184.32 and 11,739.15

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Solution

The fourth proportional to 19,696.77, 27,184.32 and 11,739.15 is: 16,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.77 : 27,184.32 = 11,739.15 : x
  2. Step 2: Convert to fraction form
    19,696.77/27,184.32 = 11,739.15/x
  3. Step 3: Cross multiply
    19,696.77x = 27,184.32 × 11,739.15
  4. Step 4: Simplify right side
    19,696.77x = 319,120,810.13
  5. Step 5: Solve for x
    x = 319,120,810.13/19,696.77
  6. Step 6: Final answer
    x = 16,201.68

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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.