Home / 20,049.10-27,675.04-11,665.60

Finding the Fourth Proportional to 20,049.10, 27,675.04 and 11,665.60

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Solution

The fourth proportional to 20,049.10, 27,675.04 and 11,665.60 is: 16,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.10 : 27,675.04 = 11,665.60 : x
  2. Step 2: Convert to fraction form
    20,049.10/27,675.04 = 11,665.60/x
  3. Step 3: Cross multiply
    20,049.10x = 27,675.04 × 11,665.60
  4. Step 4: Simplify right side
    20,049.10x = 322,845,848.27
  5. Step 5: Solve for x
    x = 322,845,848.27/20,049.10
  6. Step 6: Final answer
    x = 16,102.76

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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.