Home / 19,992.24-30,003.36-7,524.56

Finding the Fourth Proportional to 19,992.24, 30,003.36 and 7,524.56

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Solution

The fourth proportional to 19,992.24, 30,003.36 and 7,524.56 is: 11,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.24 : 30,003.36 = 7,524.56 : x
  2. Step 2: Convert to fraction form
    19,992.24/30,003.36 = 7,524.56/x
  3. Step 3: Cross multiply
    19,992.24x = 30,003.36 × 7,524.56
  4. Step 4: Simplify right side
    19,992.24x = 225,762,082.52
  5. Step 5: Solve for x
    x = 225,762,082.52/19,992.24
  6. Step 6: Final answer
    x = 11,292.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.