Home / 19,738.24-27,235.92-11,353.12

Finding the Fourth Proportional to 19,738.24, 27,235.92 and 11,353.12

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Solution

The fourth proportional to 19,738.24, 27,235.92 and 11,353.12 is: 15,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.24 : 27,235.92 = 11,353.12 : x
  2. Step 2: Convert to fraction form
    19,738.24/27,235.92 = 11,353.12/x
  3. Step 3: Cross multiply
    19,738.24x = 27,235.92 × 11,353.12
  4. Step 4: Simplify right side
    19,738.24x = 309,212,668.07
  5. Step 5: Solve for x
    x = 309,212,668.07/19,738.24
  6. Step 6: Final answer
    x = 15,665.67

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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.