Home / 13,166.16-19,748.94-3,805.80

Finding the Fourth Proportional to 13,166.16, 19,748.94 and 3,805.80

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Solution

The fourth proportional to 13,166.16, 19,748.94 and 3,805.80 is: 5,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.16 : 19,748.94 = 3,805.80 : x
  2. Step 2: Convert to fraction form
    13,166.16/19,748.94 = 3,805.80/x
  3. Step 3: Cross multiply
    13,166.16x = 19,748.94 × 3,805.80
  4. Step 4: Simplify right side
    13,166.16x = 75,160,515.85
  5. Step 5: Solve for x
    x = 75,160,515.85/13,166.16
  6. Step 6: Final answer
    x = 5,708.61

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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.