Home / 13,326.84-19,982.91-5,427.33

Finding the Fourth Proportional to 13,326.84, 19,982.91 and 5,427.33

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Solution

The fourth proportional to 13,326.84, 19,982.91 and 5,427.33 is: 8,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.84 : 19,982.91 = 5,427.33 : x
  2. Step 2: Convert to fraction form
    13,326.84/19,982.91 = 5,427.33/x
  3. Step 3: Cross multiply
    13,326.84x = 19,982.91 × 5,427.33
  4. Step 4: Simplify right side
    13,326.84x = 108,453,846.93
  5. Step 5: Solve for x
    x = 108,453,846.93/13,326.84
  6. Step 6: Final answer
    x = 8,138.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.