Home / 14,161.82-21,245.14-4,302.08

Finding the Fourth Proportional to 14,161.82, 21,245.14 and 4,302.08

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Solution

The fourth proportional to 14,161.82, 21,245.14 and 4,302.08 is: 6,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.82 : 21,245.14 = 4,302.08 : x
  2. Step 2: Convert to fraction form
    14,161.82/21,245.14 = 4,302.08/x
  3. Step 3: Cross multiply
    14,161.82x = 21,245.14 × 4,302.08
  4. Step 4: Simplify right side
    14,161.82x = 91,398,291.89
  5. Step 5: Solve for x
    x = 91,398,291.89/14,161.82
  6. Step 6: Final answer
    x = 6,453.85

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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.