Home / 12,933.36-17,848.20-12,486.33

Finding the Fourth Proportional to 12,933.36, 17,848.20 and 12,486.33

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Solution

The fourth proportional to 12,933.36, 17,848.20 and 12,486.33 is: 17,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.36 : 17,848.20 = 12,486.33 : x
  2. Step 2: Convert to fraction form
    12,933.36/17,848.20 = 12,486.33/x
  3. Step 3: Cross multiply
    12,933.36x = 17,848.20 × 12,486.33
  4. Step 4: Simplify right side
    12,933.36x = 222,858,515.11
  5. Step 5: Solve for x
    x = 222,858,515.11/12,933.36
  6. Step 6: Final answer
    x = 17,231.29

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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.