Home / 19,942.19-27,503.44-11,982.87

Finding the Fourth Proportional to 19,942.19, 27,503.44 and 11,982.87

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Solution

The fourth proportional to 19,942.19, 27,503.44 and 11,982.87 is: 16,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.19 : 27,503.44 = 11,982.87 : x
  2. Step 2: Convert to fraction form
    19,942.19/27,503.44 = 11,982.87/x
  3. Step 3: Cross multiply
    19,942.19x = 27,503.44 × 11,982.87
  4. Step 4: Simplify right side
    19,942.19x = 329,570,146.07
  5. Step 5: Solve for x
    x = 329,570,146.07/19,942.19
  6. Step 6: Final answer
    x = 16,526.28

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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.