Home / 20,173.14-27,838.44-11,674.08

Finding the Fourth Proportional to 20,173.14, 27,838.44 and 11,674.08

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Solution

The fourth proportional to 20,173.14, 27,838.44 and 11,674.08 is: 16,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.14 : 27,838.44 = 11,674.08 : x
  2. Step 2: Convert to fraction form
    20,173.14/27,838.44 = 11,674.08/x
  3. Step 3: Cross multiply
    20,173.14x = 27,838.44 × 11,674.08
  4. Step 4: Simplify right side
    20,173.14x = 324,988,175.64
  5. Step 5: Solve for x
    x = 324,988,175.64/20,173.14
  6. Step 6: Final answer
    x = 16,109.94

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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.