Home / 13,218.39-19,799.91-6,204.33

Finding the Fourth Proportional to 13,218.39, 19,799.91 and 6,204.33

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Solution

The fourth proportional to 13,218.39, 19,799.91 and 6,204.33 is: 9,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.39 : 19,799.91 = 6,204.33 : x
  2. Step 2: Convert to fraction form
    13,218.39/19,799.91 = 6,204.33/x
  3. Step 3: Cross multiply
    13,218.39x = 19,799.91 × 6,204.33
  4. Step 4: Simplify right side
    13,218.39x = 122,845,175.61
  5. Step 5: Solve for x
    x = 122,845,175.61/13,218.39
  6. Step 6: Final answer
    x = 9,293.51

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1.5x scale

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.