Home / 13,655.27-18,796.88-11,773.08

Finding the Fourth Proportional to 13,655.27, 18,796.88 and 11,773.08

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Solution

The fourth proportional to 13,655.27, 18,796.88 and 11,773.08 is: 16,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.27 : 18,796.88 = 11,773.08 : x
  2. Step 2: Convert to fraction form
    13,655.27/18,796.88 = 11,773.08/x
  3. Step 3: Cross multiply
    13,655.27x = 18,796.88 × 11,773.08
  4. Step 4: Simplify right side
    13,655.27x = 221,297,201.42
  5. Step 5: Solve for x
    x = 221,297,201.42/13,655.27
  6. Step 6: Final answer
    x = 16,205.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.