Home / 19,173.26-28,736.56-10,266.70

Finding the Fourth Proportional to 19,173.26, 28,736.56 and 10,266.70

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Solution

The fourth proportional to 19,173.26, 28,736.56 and 10,266.70 is: 15,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.26 : 28,736.56 = 10,266.70 : x
  2. Step 2: Convert to fraction form
    19,173.26/28,736.56 = 10,266.70/x
  3. Step 3: Cross multiply
    19,173.26x = 28,736.56 × 10,266.70
  4. Step 4: Simplify right side
    19,173.26x = 295,029,640.55
  5. Step 5: Solve for x
    x = 295,029,640.55/19,173.26
  6. Step 6: Final answer
    x = 15,387.56

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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.