Home / 17,287.71-23,847.44-11,328.99

Finding the Fourth Proportional to 17,287.71, 23,847.44 and 11,328.99

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Solution

The fourth proportional to 17,287.71, 23,847.44 and 11,328.99 is: 15,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.71 : 23,847.44 = 11,328.99 : x
  2. Step 2: Convert to fraction form
    17,287.71/23,847.44 = 11,328.99/x
  3. Step 3: Cross multiply
    17,287.71x = 23,847.44 × 11,328.99
  4. Step 4: Simplify right side
    17,287.71x = 270,167,352.64
  5. Step 5: Solve for x
    x = 270,167,352.64/17,287.71
  6. Step 6: Final answer
    x = 15,627.71

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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.