Home / 17,819.63-26,738.56-11,900.55

Finding the Fourth Proportional to 17,819.63, 26,738.56 and 11,900.55

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Solution

The fourth proportional to 17,819.63, 26,738.56 and 11,900.55 is: 17,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.63 : 26,738.56 = 11,900.55 : x
  2. Step 2: Convert to fraction form
    17,819.63/26,738.56 = 11,900.55/x
  3. Step 3: Cross multiply
    17,819.63x = 26,738.56 × 11,900.55
  4. Step 4: Simplify right side
    17,819.63x = 318,203,618.41
  5. Step 5: Solve for x
    x = 318,203,618.41/17,819.63
  6. Step 6: Final answer
    x = 17,856.92

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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.