Home / 19,350.90-29,027.70-7,662.60

Finding the Fourth Proportional to 19,350.90, 29,027.70 and 7,662.60

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Solution

The fourth proportional to 19,350.90, 29,027.70 and 7,662.60 is: 11,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.90 : 29,027.70 = 7,662.60 : x
  2. Step 2: Convert to fraction form
    19,350.90/29,027.70 = 7,662.60/x
  3. Step 3: Cross multiply
    19,350.90x = 29,027.70 × 7,662.60
  4. Step 4: Simplify right side
    19,350.90x = 222,427,654.02
  5. Step 5: Solve for x
    x = 222,427,654.02/19,350.90
  6. Step 6: Final answer
    x = 11,494.43

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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.