Home / 13,912.44-20,871.90-4,552.92

Finding the Fourth Proportional to 13,912.44, 20,871.90 and 4,552.92

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Solution

The fourth proportional to 13,912.44, 20,871.90 and 4,552.92 is: 6,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.44 : 20,871.90 = 4,552.92 : x
  2. Step 2: Convert to fraction form
    13,912.44/20,871.90 = 4,552.92/x
  3. Step 3: Cross multiply
    13,912.44x = 20,871.90 × 4,552.92
  4. Step 4: Simplify right side
    13,912.44x = 95,028,090.95
  5. Step 5: Solve for x
    x = 95,028,090.95/13,912.44
  6. Step 6: Final answer
    x = 6,830.44

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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.