Home / 12,418.55-18,623.86-4,097.02

Finding the Fourth Proportional to 12,418.55, 18,623.86 and 4,097.02

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Solution

The fourth proportional to 12,418.55, 18,623.86 and 4,097.02 is: 6,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.55 : 18,623.86 = 4,097.02 : x
  2. Step 2: Convert to fraction form
    12,418.55/18,623.86 = 4,097.02/x
  3. Step 3: Cross multiply
    12,418.55x = 18,623.86 × 4,097.02
  4. Step 4: Simplify right side
    12,418.55x = 76,302,326.90
  5. Step 5: Solve for x
    x = 76,302,326.90/12,418.55
  6. Step 6: Final answer
    x = 6,144.22

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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.