Home / 19,986.68-27,584.94-19,100.92

Finding the Fourth Proportional to 19,986.68, 27,584.94 and 19,100.92

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Solution

The fourth proportional to 19,986.68, 27,584.94 and 19,100.92 is: 26,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.68 : 27,584.94 = 19,100.92 : x
  2. Step 2: Convert to fraction form
    19,986.68/27,584.94 = 19,100.92/x
  3. Step 3: Cross multiply
    19,986.68x = 27,584.94 × 19,100.92
  4. Step 4: Simplify right side
    19,986.68x = 526,897,732.14
  5. Step 5: Solve for x
    x = 526,897,732.14/19,986.68
  6. Step 6: Final answer
    x = 26,362.44

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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.