Home / 13,049.76-19,565.36-6,120.48

Finding the Fourth Proportional to 13,049.76, 19,565.36 and 6,120.48

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Solution

The fourth proportional to 13,049.76, 19,565.36 and 6,120.48 is: 9,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.76 : 19,565.36 = 6,120.48 : x
  2. Step 2: Convert to fraction form
    13,049.76/19,565.36 = 6,120.48/x
  3. Step 3: Cross multiply
    13,049.76x = 19,565.36 × 6,120.48
  4. Step 4: Simplify right side
    13,049.76x = 119,749,394.57
  5. Step 5: Solve for x
    x = 119,749,394.57/13,049.76
  6. Step 6: Final answer
    x = 9,176.37

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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.