Home / 17,240.40-25,816.68-11,379.12

Finding the Fourth Proportional to 17,240.40, 25,816.68 and 11,379.12

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Solution

The fourth proportional to 17,240.40, 25,816.68 and 11,379.12 is: 17,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.40 : 25,816.68 = 11,379.12 : x
  2. Step 2: Convert to fraction form
    17,240.40/25,816.68 = 11,379.12/x
  3. Step 3: Cross multiply
    17,240.40x = 25,816.68 × 11,379.12
  4. Step 4: Simplify right side
    17,240.40x = 293,771,099.72
  5. Step 5: Solve for x
    x = 293,771,099.72/17,240.40
  6. Step 6: Final answer
    x = 17,039.69

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1.5x scale

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.