Home / 19,817.94-27,349.07-11,860.50

Finding the Fourth Proportional to 19,817.94, 27,349.07 and 11,860.50

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Solution

The fourth proportional to 19,817.94, 27,349.07 and 11,860.50 is: 16,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.94 : 27,349.07 = 11,860.50 : x
  2. Step 2: Convert to fraction form
    19,817.94/27,349.07 = 11,860.50/x
  3. Step 3: Cross multiply
    19,817.94x = 27,349.07 × 11,860.50
  4. Step 4: Simplify right side
    19,817.94x = 324,373,585.43
  5. Step 5: Solve for x
    x = 324,373,585.43/19,817.94
  6. Step 6: Final answer
    x = 16,367.67

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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.