Home / 14,124.26-21,186.32-3,450.49

Finding the Fourth Proportional to 14,124.26, 21,186.32 and 3,450.49

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Solution

The fourth proportional to 14,124.26, 21,186.32 and 3,450.49 is: 5,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.26 : 21,186.32 = 3,450.49 : x
  2. Step 2: Convert to fraction form
    14,124.26/21,186.32 = 3,450.49/x
  3. Step 3: Cross multiply
    14,124.26x = 21,186.32 × 3,450.49
  4. Step 4: Simplify right side
    14,124.26x = 73,103,062.11
  5. Step 5: Solve for x
    x = 73,103,062.11/14,124.26
  6. Step 6: Final answer
    x = 5,175.71

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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.