Home / 12,441.37-18,644.25-9,264.45

Finding the Fourth Proportional to 12,441.37, 18,644.25 and 9,264.45

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Solution

The fourth proportional to 12,441.37, 18,644.25 and 9,264.45 is: 13,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.37 : 18,644.25 = 9,264.45 : x
  2. Step 2: Convert to fraction form
    12,441.37/18,644.25 = 9,264.45/x
  3. Step 3: Cross multiply
    12,441.37x = 18,644.25 × 9,264.45
  4. Step 4: Simplify right side
    12,441.37x = 172,728,748.08
  5. Step 5: Solve for x
    x = 172,728,748.08/12,441.37
  6. Step 6: Final answer
    x = 13,883.42

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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.