Home / 19,795.72-27,316.61-11,297.60

Finding the Fourth Proportional to 19,795.72, 27,316.61 and 11,297.60

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Solution

The fourth proportional to 19,795.72, 27,316.61 and 11,297.60 is: 15,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.72 : 27,316.61 = 11,297.60 : x
  2. Step 2: Convert to fraction form
    19,795.72/27,316.61 = 11,297.60/x
  3. Step 3: Cross multiply
    19,795.72x = 27,316.61 × 11,297.60
  4. Step 4: Simplify right side
    19,795.72x = 308,612,076.65
  5. Step 5: Solve for x
    x = 308,612,076.65/19,795.72
  6. Step 6: Final answer
    x = 15,589.84

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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.