Home / 20,796.02-31,197.27-12,474.08

Finding the Fourth Proportional to 20,796.02, 31,197.27 and 12,474.08

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Solution

The fourth proportional to 20,796.02, 31,197.27 and 12,474.08 is: 18,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.02 : 31,197.27 = 12,474.08 : x
  2. Step 2: Convert to fraction form
    20,796.02/31,197.27 = 12,474.08/x
  3. Step 3: Cross multiply
    20,796.02x = 31,197.27 × 12,474.08
  4. Step 4: Simplify right side
    20,796.02x = 389,157,241.76
  5. Step 5: Solve for x
    x = 389,157,241.76/20,796.02
  6. Step 6: Final answer
    x = 18,713.06

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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.