Home / 19,416.44-26,785.68-11,856.80

Finding the Fourth Proportional to 19,416.44, 26,785.68 and 11,856.80

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Solution

The fourth proportional to 19,416.44, 26,785.68 and 11,856.80 is: 16,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.44 : 26,785.68 = 11,856.80 : x
  2. Step 2: Convert to fraction form
    19,416.44/26,785.68 = 11,856.80/x
  3. Step 3: Cross multiply
    19,416.44x = 26,785.68 × 11,856.80
  4. Step 4: Simplify right side
    19,416.44x = 317,592,450.62
  5. Step 5: Solve for x
    x = 317,592,450.62/19,416.44
  6. Step 6: Final answer
    x = 16,356.88

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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.