Home / 13,567.44-20,348.40-3,705.90

Finding the Fourth Proportional to 13,567.44, 20,348.40 and 3,705.90

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Solution

The fourth proportional to 13,567.44, 20,348.40 and 3,705.90 is: 5,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.44 : 20,348.40 = 3,705.90 : x
  2. Step 2: Convert to fraction form
    13,567.44/20,348.40 = 3,705.90/x
  3. Step 3: Cross multiply
    13,567.44x = 20,348.40 × 3,705.90
  4. Step 4: Simplify right side
    13,567.44x = 75,409,135.56
  5. Step 5: Solve for x
    x = 75,409,135.56/13,567.44
  6. Step 6: Final answer
    x = 5,558.10

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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.