Home / 12,619.44-17,406-10,717.92

Finding the Fourth Proportional to 12,619.44, 17,406 and 10,717.92

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Solution

The fourth proportional to 12,619.44, 17,406 and 10,717.92 is: 14,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.44 : 17,406 = 10,717.92 : x
  2. Step 2: Convert to fraction form
    12,619.44/17,406 = 10,717.92/x
  3. Step 3: Cross multiply
    12,619.44x = 17,406 × 10,717.92
  4. Step 4: Simplify right side
    12,619.44x = 186,556,115.52
  5. Step 5: Solve for x
    x = 186,556,115.52/12,619.44
  6. Step 6: Final answer
    x = 14,783.23

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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.