Home / 17,533.44-26,286.72-7,138.56

Finding the Fourth Proportional to 17,533.44, 26,286.72 and 7,138.56

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Solution

The fourth proportional to 17,533.44, 26,286.72 and 7,138.56 is: 10,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,533.44 : 26,286.72 = 7,138.56 : x
  2. Step 2: Convert to fraction form
    17,533.44/26,286.72 = 7,138.56/x
  3. Step 3: Cross multiply
    17,533.44x = 26,286.72 × 7,138.56
  4. Step 4: Simplify right side
    17,533.44x = 187,649,327.92
  5. Step 5: Solve for x
    x = 187,649,327.92/17,533.44
  6. Step 6: Final answer
    x = 10,702.37

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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.