Home / 19,603.50-27,052.83-11,221.62

Finding the Fourth Proportional to 19,603.50, 27,052.83 and 11,221.62

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Solution

The fourth proportional to 19,603.50, 27,052.83 and 11,221.62 is: 15,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.50 : 27,052.83 = 11,221.62 : x
  2. Step 2: Convert to fraction form
    19,603.50/27,052.83 = 11,221.62/x
  3. Step 3: Cross multiply
    19,603.50x = 27,052.83 × 11,221.62
  4. Step 4: Simplify right side
    19,603.50x = 303,576,578.18
  5. Step 5: Solve for x
    x = 303,576,578.18/19,603.50
  6. Step 6: Final answer
    x = 15,485.84

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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.