Home / 17,270.20-23,837.10-11,316.28

Finding the Fourth Proportional to 17,270.20, 23,837.10 and 11,316.28

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Solution

The fourth proportional to 17,270.20, 23,837.10 and 11,316.28 is: 15,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.20 : 23,837.10 = 11,316.28 : x
  2. Step 2: Convert to fraction form
    17,270.20/23,837.10 = 11,316.28/x
  3. Step 3: Cross multiply
    17,270.20x = 23,837.10 × 11,316.28
  4. Step 4: Simplify right side
    17,270.20x = 269,747,297.99
  5. Step 5: Solve for x
    x = 269,747,297.99/17,270.20
  6. Step 6: Final answer
    x = 15,619.23

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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.