Home / 17,055.14-25,561.20-9,138

Finding the Fourth Proportional to 17,055.14, 25,561.20 and 9,138

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Solution

The fourth proportional to 17,055.14, 25,561.20 and 9,138 is: 13,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.14 : 25,561.20 = 9,138 : x
  2. Step 2: Convert to fraction form
    17,055.14/25,561.20 = 9,138/x
  3. Step 3: Cross multiply
    17,055.14x = 25,561.20 × 9,138
  4. Step 4: Simplify right side
    17,055.14x = 233,578,245.60
  5. Step 5: Solve for x
    x = 233,578,245.60/17,055.14
  6. Step 6: Final answer
    x = 13,695.48

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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.