Home / 17,145.88-23,665.22-11,167.08

Finding the Fourth Proportional to 17,145.88, 23,665.22 and 11,167.08

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Solution

The fourth proportional to 17,145.88, 23,665.22 and 11,167.08 is: 15,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.88 : 23,665.22 = 11,167.08 : x
  2. Step 2: Convert to fraction form
    17,145.88/23,665.22 = 11,167.08/x
  3. Step 3: Cross multiply
    17,145.88x = 23,665.22 × 11,167.08
  4. Step 4: Simplify right side
    17,145.88x = 264,271,404.96
  5. Step 5: Solve for x
    x = 264,271,404.96/17,145.88
  6. Step 6: Final answer
    x = 15,413.11

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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.