Home / 18,697.41-25,795.83-11,986.74

Finding the Fourth Proportional to 18,697.41, 25,795.83 and 11,986.74

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Solution

The fourth proportional to 18,697.41, 25,795.83 and 11,986.74 is: 16,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.41 : 25,795.83 = 11,986.74 : x
  2. Step 2: Convert to fraction form
    18,697.41/25,795.83 = 11,986.74/x
  3. Step 3: Cross multiply
    18,697.41x = 25,795.83 × 11,986.74
  4. Step 4: Simplify right side
    18,697.41x = 309,207,907.29
  5. Step 5: Solve for x
    x = 309,207,907.29/18,697.41
  6. Step 6: Final answer
    x = 16,537.47

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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.