Home / 19,763.64-27,274.26-11,804.38

Finding the Fourth Proportional to 19,763.64, 27,274.26 and 11,804.38

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Solution

The fourth proportional to 19,763.64, 27,274.26 and 11,804.38 is: 16,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.64 : 27,274.26 = 11,804.38 : x
  2. Step 2: Convert to fraction form
    19,763.64/27,274.26 = 11,804.38/x
  3. Step 3: Cross multiply
    19,763.64x = 27,274.26 × 11,804.38
  4. Step 4: Simplify right side
    19,763.64x = 321,955,729.26
  5. Step 5: Solve for x
    x = 321,955,729.26/19,763.64
  6. Step 6: Final answer
    x = 16,290.31

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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.