Home / 13,896.80-20,847.21-4,534.50

Finding the Fourth Proportional to 13,896.80, 20,847.21 and 4,534.50

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Solution

The fourth proportional to 13,896.80, 20,847.21 and 4,534.50 is: 6,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.80 : 20,847.21 = 4,534.50 : x
  2. Step 2: Convert to fraction form
    13,896.80/20,847.21 = 4,534.50/x
  3. Step 3: Cross multiply
    13,896.80x = 20,847.21 × 4,534.50
  4. Step 4: Simplify right side
    13,896.80x = 94,531,734.92
  5. Step 5: Solve for x
    x = 94,531,734.92/13,896.80
  6. Step 6: Final answer
    x = 6,802.41

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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.