Home / 17,140.51-25,674.30-10,112.95

Finding the Fourth Proportional to 17,140.51, 25,674.30 and 10,112.95

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Solution

The fourth proportional to 17,140.51, 25,674.30 and 10,112.95 is: 15,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.51 : 25,674.30 = 10,112.95 : x
  2. Step 2: Convert to fraction form
    17,140.51/25,674.30 = 10,112.95/x
  3. Step 3: Cross multiply
    17,140.51x = 25,674.30 × 10,112.95
  4. Step 4: Simplify right side
    17,140.51x = 259,642,912.19
  5. Step 5: Solve for x
    x = 259,642,912.19/17,140.51
  6. Step 6: Final answer
    x = 15,147.91

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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.