Home / 13,626.24-20,436.93-3,763.05

Finding the Fourth Proportional to 13,626.24, 20,436.93 and 3,763.05

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Solution

The fourth proportional to 13,626.24, 20,436.93 and 3,763.05 is: 5,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.24 : 20,436.93 = 3,763.05 : x
  2. Step 2: Convert to fraction form
    13,626.24/20,436.93 = 3,763.05/x
  3. Step 3: Cross multiply
    13,626.24x = 20,436.93 × 3,763.05
  4. Step 4: Simplify right side
    13,626.24x = 76,905,189.44
  5. Step 5: Solve for x
    x = 76,905,189.44/13,626.24
  6. Step 6: Final answer
    x = 5,643.90

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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.