Home / 13,146.63-19,707.42-4,375.41

Finding the Fourth Proportional to 13,146.63, 19,707.42 and 4,375.41

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Solution

The fourth proportional to 13,146.63, 19,707.42 and 4,375.41 is: 6,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.63 : 19,707.42 = 4,375.41 : x
  2. Step 2: Convert to fraction form
    13,146.63/19,707.42 = 4,375.41/x
  3. Step 3: Cross multiply
    13,146.63x = 19,707.42 × 4,375.41
  4. Step 4: Simplify right side
    13,146.63x = 86,228,042.54
  5. Step 5: Solve for x
    x = 86,228,042.54/13,146.63
  6. Step 6: Final answer
    x = 6,558.95

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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.