Home / 19,208.36-26,517.98-13,271.94

Finding the Fourth Proportional to 19,208.36, 26,517.98 and 13,271.94

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Solution

The fourth proportional to 19,208.36, 26,517.98 and 13,271.94 is: 18,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.36 : 26,517.98 = 13,271.94 : x
  2. Step 2: Convert to fraction form
    19,208.36/26,517.98 = 13,271.94/x
  3. Step 3: Cross multiply
    19,208.36x = 26,517.98 × 13,271.94
  4. Step 4: Simplify right side
    19,208.36x = 351,945,072.66
  5. Step 5: Solve for x
    x = 351,945,072.66/19,208.36
  6. Step 6: Final answer
    x = 18,322.49

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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.