Home / 15,427.73-23,147.78-9,190.73

Finding the Fourth Proportional to 15,427.73, 23,147.78 and 9,190.73

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Solution

The fourth proportional to 15,427.73, 23,147.78 and 9,190.73 is: 13,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.73 : 23,147.78 = 9,190.73 : x
  2. Step 2: Convert to fraction form
    15,427.73/23,147.78 = 9,190.73/x
  3. Step 3: Cross multiply
    15,427.73x = 23,147.78 × 9,190.73
  4. Step 4: Simplify right side
    15,427.73x = 212,745,008.00
  5. Step 5: Solve for x
    x = 212,745,008.00/15,427.73
  6. Step 6: Final answer
    x = 13,789.78

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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.