Home / 13,370.72-20,048.34-4,603.28

Finding the Fourth Proportional to 13,370.72, 20,048.34 and 4,603.28

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Solution

The fourth proportional to 13,370.72, 20,048.34 and 4,603.28 is: 6,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.72 : 20,048.34 = 4,603.28 : x
  2. Step 2: Convert to fraction form
    13,370.72/20,048.34 = 4,603.28/x
  3. Step 3: Cross multiply
    13,370.72x = 20,048.34 × 4,603.28
  4. Step 4: Simplify right side
    13,370.72x = 92,288,122.56
  5. Step 5: Solve for x
    x = 92,288,122.56/13,370.72
  6. Step 6: Final answer
    x = 6,902.26

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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.