Home / 20,222.37-27,907.00-11,729.54

Finding the Fourth Proportional to 20,222.37, 27,907.00 and 11,729.54

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Solution

The fourth proportional to 20,222.37, 27,907.00 and 11,729.54 is: 16,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.37 : 27,907.00 = 11,729.54 : x
  2. Step 2: Convert to fraction form
    20,222.37/27,907.00 = 11,729.54/x
  3. Step 3: Cross multiply
    20,222.37x = 27,907.00 × 11,729.54
  4. Step 4: Simplify right side
    20,222.37x = 327,336,313.22
  5. Step 5: Solve for x
    x = 327,336,313.22/20,222.37
  6. Step 6: Final answer
    x = 16,186.84

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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.