Home / 17,975.12-26,968.14-8,111.75

Finding the Fourth Proportional to 17,975.12, 26,968.14 and 8,111.75

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Solution

The fourth proportional to 17,975.12, 26,968.14 and 8,111.75 is: 12,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.12 : 26,968.14 = 8,111.75 : x
  2. Step 2: Convert to fraction form
    17,975.12/26,968.14 = 8,111.75/x
  3. Step 3: Cross multiply
    17,975.12x = 26,968.14 × 8,111.75
  4. Step 4: Simplify right side
    17,975.12x = 218,758,674.80
  5. Step 5: Solve for x
    x = 218,758,674.80/17,975.12
  6. Step 6: Final answer
    x = 12,170.08

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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.