Home / 20,167.51-27,831.84-11,093.26

Finding the Fourth Proportional to 20,167.51, 27,831.84 and 11,093.26

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Solution

The fourth proportional to 20,167.51, 27,831.84 and 11,093.26 is: 15,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.51 : 27,831.84 = 11,093.26 : x
  2. Step 2: Convert to fraction form
    20,167.51/27,831.84 = 11,093.26/x
  3. Step 3: Cross multiply
    20,167.51x = 27,831.84 × 11,093.26
  4. Step 4: Simplify right side
    20,167.51x = 308,745,698.24
  5. Step 5: Solve for x
    x = 308,745,698.24/20,167.51
  6. Step 6: Final answer
    x = 15,309.06

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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.