Home / 18,674.06-25,768.68-10,290.56

Finding the Fourth Proportional to 18,674.06, 25,768.68 and 10,290.56

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Solution

The fourth proportional to 18,674.06, 25,768.68 and 10,290.56 is: 14,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.06 : 25,768.68 = 10,290.56 : x
  2. Step 2: Convert to fraction form
    18,674.06/25,768.68 = 10,290.56/x
  3. Step 3: Cross multiply
    18,674.06x = 25,768.68 × 10,290.56
  4. Step 4: Simplify right side
    18,674.06x = 265,174,147.66
  5. Step 5: Solve for x
    x = 265,174,147.66/18,674.06
  6. Step 6: Final answer
    x = 14,200.13

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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.