Home / 19,817.25-27,347.81-11,860.62

Finding the Fourth Proportional to 19,817.25, 27,347.81 and 11,860.62

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Solution

The fourth proportional to 19,817.25, 27,347.81 and 11,860.62 is: 16,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.25 : 27,347.81 = 11,860.62 : x
  2. Step 2: Convert to fraction form
    19,817.25/27,347.81 = 11,860.62/x
  3. Step 3: Cross multiply
    19,817.25x = 27,347.81 × 11,860.62
  4. Step 4: Simplify right side
    19,817.25x = 324,361,922.94
  5. Step 5: Solve for x
    x = 324,361,922.94/19,817.25
  6. Step 6: Final answer
    x = 16,367.66

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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.