Home / 13,165.27-19,745.20-4,842.39

Finding the Fourth Proportional to 13,165.27, 19,745.20 and 4,842.39

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Solution

The fourth proportional to 13,165.27, 19,745.20 and 4,842.39 is: 7,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.27 : 19,745.20 = 4,842.39 : x
  2. Step 2: Convert to fraction form
    13,165.27/19,745.20 = 4,842.39/x
  3. Step 3: Cross multiply
    13,165.27x = 19,745.20 × 4,842.39
  4. Step 4: Simplify right side
    13,165.27x = 95,613,959.03
  5. Step 5: Solve for x
    x = 95,613,959.03/13,165.27
  6. Step 6: Final answer
    x = 7,262.59

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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.