Home / 14,021.51-21,033.68-6,623.98

Finding the Fourth Proportional to 14,021.51, 21,033.68 and 6,623.98

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Solution

The fourth proportional to 14,021.51, 21,033.68 and 6,623.98 is: 9,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.51 : 21,033.68 = 6,623.98 : x
  2. Step 2: Convert to fraction form
    14,021.51/21,033.68 = 6,623.98/x
  3. Step 3: Cross multiply
    14,021.51x = 21,033.68 × 6,623.98
  4. Step 4: Simplify right side
    14,021.51x = 139,326,589.94
  5. Step 5: Solve for x
    x = 139,326,589.94/14,021.51
  6. Step 6: Final answer
    x = 9,936.64

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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.