Home / 20,072.88-27,704.04-11,573.46

Finding the Fourth Proportional to 20,072.88, 27,704.04 and 11,573.46

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Solution

The fourth proportional to 20,072.88, 27,704.04 and 11,573.46 is: 15,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.88 : 27,704.04 = 11,573.46 : x
  2. Step 2: Convert to fraction form
    20,072.88/27,704.04 = 11,573.46/x
  3. Step 3: Cross multiply
    20,072.88x = 27,704.04 × 11,573.46
  4. Step 4: Simplify right side
    20,072.88x = 320,631,598.78
  5. Step 5: Solve for x
    x = 320,631,598.78/20,072.88
  6. Step 6: Final answer
    x = 15,973.37

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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.