Home / 13,328.22-20,004.52-6,758.94

Finding the Fourth Proportional to 13,328.22, 20,004.52 and 6,758.94

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Solution

The fourth proportional to 13,328.22, 20,004.52 and 6,758.94 is: 10,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.22 : 20,004.52 = 6,758.94 : x
  2. Step 2: Convert to fraction form
    13,328.22/20,004.52 = 6,758.94/x
  3. Step 3: Cross multiply
    13,328.22x = 20,004.52 × 6,758.94
  4. Step 4: Simplify right side
    13,328.22x = 135,209,350.41
  5. Step 5: Solve for x
    x = 135,209,350.41/13,328.22
  6. Step 6: Final answer
    x = 10,144.59

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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.