Home / 17,130.68-25,697.64-6,740

Finding the Fourth Proportional to 17,130.68, 25,697.64 and 6,740

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Solution

The fourth proportional to 17,130.68, 25,697.64 and 6,740 is: 10,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.68 : 25,697.64 = 6,740 : x
  2. Step 2: Convert to fraction form
    17,130.68/25,697.64 = 6,740/x
  3. Step 3: Cross multiply
    17,130.68x = 25,697.64 × 6,740
  4. Step 4: Simplify right side
    17,130.68x = 173,202,093.60
  5. Step 5: Solve for x
    x = 173,202,093.60/17,130.68
  6. Step 6: Final answer
    x = 10,110.64

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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.