Home / 13,176.12-19,761.33-4,170.94

Finding the Fourth Proportional to 13,176.12, 19,761.33 and 4,170.94

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Solution

The fourth proportional to 13,176.12, 19,761.33 and 4,170.94 is: 6,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.12 : 19,761.33 = 4,170.94 : x
  2. Step 2: Convert to fraction form
    13,176.12/19,761.33 = 4,170.94/x
  3. Step 3: Cross multiply
    13,176.12x = 19,761.33 × 4,170.94
  4. Step 4: Simplify right side
    13,176.12x = 82,423,321.75
  5. Step 5: Solve for x
    x = 82,423,321.75/13,176.12
  6. Step 6: Final answer
    x = 6,255.51

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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.