Home / 14,021.70-21,033.09-3,633.18

Finding the Fourth Proportional to 14,021.70, 21,033.09 and 3,633.18

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Solution

The fourth proportional to 14,021.70, 21,033.09 and 3,633.18 is: 5,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.70 : 21,033.09 = 3,633.18 : x
  2. Step 2: Convert to fraction form
    14,021.70/21,033.09 = 3,633.18/x
  3. Step 3: Cross multiply
    14,021.70x = 21,033.09 × 3,633.18
  4. Step 4: Simplify right side
    14,021.70x = 76,417,001.93
  5. Step 5: Solve for x
    x = 76,417,001.93/14,021.70
  6. Step 6: Final answer
    x = 5,449.91

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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.