Home / 19,819.96-27,353.82-11,323.42

Finding the Fourth Proportional to 19,819.96, 27,353.82 and 11,323.42

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Solution

The fourth proportional to 19,819.96, 27,353.82 and 11,323.42 is: 15,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.96 : 27,353.82 = 11,323.42 : x
  2. Step 2: Convert to fraction form
    19,819.96/27,353.82 = 11,323.42/x
  3. Step 3: Cross multiply
    19,819.96x = 27,353.82 × 11,323.42
  4. Step 4: Simplify right side
    19,819.96x = 309,738,792.46
  5. Step 5: Solve for x
    x = 309,738,792.46/19,819.96
  6. Step 6: Final answer
    x = 15,627.62

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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.