Home / 17,145.26-23,655.21-11,174.75

Finding the Fourth Proportional to 17,145.26, 23,655.21 and 11,174.75

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Solution

The fourth proportional to 17,145.26, 23,655.21 and 11,174.75 is: 15,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.26 : 23,655.21 = 11,174.75 : x
  2. Step 2: Convert to fraction form
    17,145.26/23,655.21 = 11,174.75/x
  3. Step 3: Cross multiply
    17,145.26x = 23,655.21 × 11,174.75
  4. Step 4: Simplify right side
    17,145.26x = 264,341,057.95
  5. Step 5: Solve for x
    x = 264,341,057.95/17,145.26
  6. Step 6: Final answer
    x = 15,417.73

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1.5x scale

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.