Home / 13,147.38-19,709.34-4,825.47

Finding the Fourth Proportional to 13,147.38, 19,709.34 and 4,825.47

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Solution

The fourth proportional to 13,147.38, 19,709.34 and 4,825.47 is: 7,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.38 : 19,709.34 = 4,825.47 : x
  2. Step 2: Convert to fraction form
    13,147.38/19,709.34 = 4,825.47/x
  3. Step 3: Cross multiply
    13,147.38x = 19,709.34 × 4,825.47
  4. Step 4: Simplify right side
    13,147.38x = 95,106,745.55
  5. Step 5: Solve for x
    x = 95,106,745.55/13,147.38
  6. Step 6: Final answer
    x = 7,233.89

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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.