Home / 19,914.68-27,485.27-11,961.29

Finding the Fourth Proportional to 19,914.68, 27,485.27 and 11,961.29

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Solution

The fourth proportional to 19,914.68, 27,485.27 and 11,961.29 is: 16,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.68 : 27,485.27 = 11,961.29 : x
  2. Step 2: Convert to fraction form
    19,914.68/27,485.27 = 11,961.29/x
  3. Step 3: Cross multiply
    19,914.68x = 27,485.27 × 11,961.29
  4. Step 4: Simplify right side
    19,914.68x = 328,759,383.81
  5. Step 5: Solve for x
    x = 328,759,383.81/19,914.68
  6. Step 6: Final answer
    x = 16,508.39

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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.