Home / 25,334.78-38,010.37-12,185.44

Finding the Fourth Proportional to 25,334.78, 38,010.37 and 12,185.44

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Solution

The fourth proportional to 25,334.78, 38,010.37 and 12,185.44 is: 18,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,334.78 : 38,010.37 = 12,185.44 : x
  2. Step 2: Convert to fraction form
    25,334.78/38,010.37 = 12,185.44/x
  3. Step 3: Cross multiply
    25,334.78x = 38,010.37 × 12,185.44
  4. Step 4: Simplify right side
    25,334.78x = 463,173,083.01
  5. Step 5: Solve for x
    x = 463,173,083.01/25,334.78
  6. Step 6: Final answer
    x = 18,282.10

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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.