Home / 13,105.26-19,657.68-4,785.24

Finding the Fourth Proportional to 13,105.26, 19,657.68 and 4,785.24

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Solution

The fourth proportional to 13,105.26, 19,657.68 and 4,785.24 is: 7,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.26 : 19,657.68 = 4,785.24 : x
  2. Step 2: Convert to fraction form
    13,105.26/19,657.68 = 4,785.24/x
  3. Step 3: Cross multiply
    13,105.26x = 19,657.68 × 4,785.24
  4. Step 4: Simplify right side
    13,105.26x = 94,066,716.64
  5. Step 5: Solve for x
    x = 94,066,716.64/13,105.26
  6. Step 6: Final answer
    x = 7,177.78

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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.