Home / 19,866.22-27,415.28-10,791.51

Finding the Fourth Proportional to 19,866.22, 27,415.28 and 10,791.51

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Solution

The fourth proportional to 19,866.22, 27,415.28 and 10,791.51 is: 14,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.22 : 27,415.28 = 10,791.51 : x
  2. Step 2: Convert to fraction form
    19,866.22/27,415.28 = 10,791.51/x
  3. Step 3: Cross multiply
    19,866.22x = 27,415.28 × 10,791.51
  4. Step 4: Simplify right side
    19,866.22x = 295,852,268.27
  5. Step 5: Solve for x
    x = 295,852,268.27/19,866.22
  6. Step 6: Final answer
    x = 14,892.23

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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.