Home / 13,759.38-20,647.26-4,994.96

Finding the Fourth Proportional to 13,759.38, 20,647.26 and 4,994.96

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Solution

The fourth proportional to 13,759.38, 20,647.26 and 4,994.96 is: 7,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.38 : 20,647.26 = 4,994.96 : x
  2. Step 2: Convert to fraction form
    13,759.38/20,647.26 = 4,994.96/x
  3. Step 3: Cross multiply
    13,759.38x = 20,647.26 × 4,994.96
  4. Step 4: Simplify right side
    13,759.38x = 103,132,134.57
  5. Step 5: Solve for x
    x = 103,132,134.57/13,759.38
  6. Step 6: Final answer
    x = 7,495.41

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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.