Home / 19,791.51-27,312.33-10,716.97

Finding the Fourth Proportional to 19,791.51, 27,312.33 and 10,716.97

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Solution

The fourth proportional to 19,791.51, 27,312.33 and 10,716.97 is: 14,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.51 : 27,312.33 = 10,716.97 : x
  2. Step 2: Convert to fraction form
    19,791.51/27,312.33 = 10,716.97/x
  3. Step 3: Cross multiply
    19,791.51x = 27,312.33 × 10,716.97
  4. Step 4: Simplify right side
    19,791.51x = 292,705,415.19
  5. Step 5: Solve for x
    x = 292,705,415.19/19,791.51
  6. Step 6: Final answer
    x = 14,789.44

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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.