Home / 13,034.14-17,995.74-8,074.78

Finding the Fourth Proportional to 13,034.14, 17,995.74 and 8,074.78

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Solution

The fourth proportional to 13,034.14, 17,995.74 and 8,074.78 is: 11,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.14 : 17,995.74 = 8,074.78 : x
  2. Step 2: Convert to fraction form
    13,034.14/17,995.74 = 8,074.78/x
  3. Step 3: Cross multiply
    13,034.14x = 17,995.74 × 8,074.78
  4. Step 4: Simplify right side
    13,034.14x = 145,311,641.44
  5. Step 5: Solve for x
    x = 145,311,641.44/13,034.14
  6. Step 6: Final answer
    x = 11,148.54

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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.