Home / 33,388.31-46,074.12-18,278.09

Finding the Fourth Proportional to 33,388.31, 46,074.12 and 18,278.09

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Solution

The fourth proportional to 33,388.31, 46,074.12 and 18,278.09 is: 25,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,388.31 : 46,074.12 = 18,278.09 : x
  2. Step 2: Convert to fraction form
    33,388.31/46,074.12 = 18,278.09/x
  3. Step 3: Cross multiply
    33,388.31x = 46,074.12 × 18,278.09
  4. Step 4: Simplify right side
    33,388.31x = 842,146,681.66
  5. Step 5: Solve for x
    x = 842,146,681.66/33,388.31
  6. Step 6: Final answer
    x = 25,222.80

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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.