Home / 19,900.44-27,453.40-11,928.83

Finding the Fourth Proportional to 19,900.44, 27,453.40 and 11,928.83

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Solution

The fourth proportional to 19,900.44, 27,453.40 and 11,928.83 is: 16,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.44 : 27,453.40 = 11,928.83 : x
  2. Step 2: Convert to fraction form
    19,900.44/27,453.40 = 11,928.83/x
  3. Step 3: Cross multiply
    19,900.44x = 27,453.40 × 11,928.83
  4. Step 4: Simplify right side
    19,900.44x = 327,486,941.52
  5. Step 5: Solve for x
    x = 327,486,941.52/19,900.44
  6. Step 6: Final answer
    x = 16,456.27

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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.