Home / 13,534.56-20,300.22-3,674.84

Finding the Fourth Proportional to 13,534.56, 20,300.22 and 3,674.84

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Solution

The fourth proportional to 13,534.56, 20,300.22 and 3,674.84 is: 5,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.56 : 20,300.22 = 3,674.84 : x
  2. Step 2: Convert to fraction form
    13,534.56/20,300.22 = 3,674.84/x
  3. Step 3: Cross multiply
    13,534.56x = 20,300.22 × 3,674.84
  4. Step 4: Simplify right side
    13,534.56x = 74,599,958.96
  5. Step 5: Solve for x
    x = 74,599,958.96/13,534.56
  6. Step 6: Final answer
    x = 5,511.81

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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.