Home / 17,109.87-25,678.63-7,256.07

Finding the Fourth Proportional to 17,109.87, 25,678.63 and 7,256.07

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Solution

The fourth proportional to 17,109.87, 25,678.63 and 7,256.07 is: 10,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109.87 : 25,678.63 = 7,256.07 : x
  2. Step 2: Convert to fraction form
    17,109.87/25,678.63 = 7,256.07/x
  3. Step 3: Cross multiply
    17,109.87x = 25,678.63 × 7,256.07
  4. Step 4: Simplify right side
    17,109.87x = 186,325,918.64
  5. Step 5: Solve for x
    x = 186,325,918.64/17,109.87
  6. Step 6: Final answer
    x = 10,889.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.