Home / 17,109.66-23,609.79-9,555.33

Finding the Fourth Proportional to 17,109.66, 23,609.79 and 9,555.33

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Solution

The fourth proportional to 17,109.66, 23,609.79 and 9,555.33 is: 13,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109.66 : 23,609.79 = 9,555.33 : x
  2. Step 2: Convert to fraction form
    17,109.66/23,609.79 = 9,555.33/x
  3. Step 3: Cross multiply
    17,109.66x = 23,609.79 × 9,555.33
  4. Step 4: Simplify right side
    17,109.66x = 225,599,334.68
  5. Step 5: Solve for x
    x = 225,599,334.68/17,109.66
  6. Step 6: Final answer
    x = 13,185.49

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Half scale
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Double scale
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Similar ratio
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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.