Home / 21,735.44-29,993.39-12,173.69

Finding the Fourth Proportional to 21,735.44, 29,993.39 and 12,173.69

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Solution

The fourth proportional to 21,735.44, 29,993.39 and 12,173.69 is: 16,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.44 : 29,993.39 = 12,173.69 : x
  2. Step 2: Convert to fraction form
    21,735.44/29,993.39 = 12,173.69/x
  3. Step 3: Cross multiply
    21,735.44x = 29,993.39 × 12,173.69
  4. Step 4: Simplify right side
    21,735.44x = 365,130,291.68
  5. Step 5: Solve for x
    x = 365,130,291.68/21,735.44
  6. Step 6: Final answer
    x = 16,798.85

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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.