Home / 20,003.72-27,604.68-11,051.24

Finding the Fourth Proportional to 20,003.72, 27,604.68 and 11,051.24

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Solution

The fourth proportional to 20,003.72, 27,604.68 and 11,051.24 is: 15,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.72 : 27,604.68 = 11,051.24 : x
  2. Step 2: Convert to fraction form
    20,003.72/27,604.68 = 11,051.24/x
  3. Step 3: Cross multiply
    20,003.72x = 27,604.68 × 11,051.24
  4. Step 4: Simplify right side
    20,003.72x = 305,065,943.80
  5. Step 5: Solve for x
    x = 305,065,943.80/20,003.72
  6. Step 6: Final answer
    x = 15,250.46

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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.