Home / 19,996.93-27,586.60-11,611.81

Finding the Fourth Proportional to 19,996.93, 27,586.60 and 11,611.81

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Solution

The fourth proportional to 19,996.93, 27,586.60 and 11,611.81 is: 16,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.93 : 27,586.60 = 11,611.81 : x
  2. Step 2: Convert to fraction form
    19,996.93/27,586.60 = 11,611.81/x
  3. Step 3: Cross multiply
    19,996.93x = 27,586.60 × 11,611.81
  4. Step 4: Simplify right side
    19,996.93x = 320,330,357.75
  5. Step 5: Solve for x
    x = 320,330,357.75/19,996.93
  6. Step 6: Final answer
    x = 16,018.98

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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.