Home / 21,633.92-29,839.41-14,066.22

Finding the Fourth Proportional to 21,633.92, 29,839.41 and 14,066.22

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Solution

The fourth proportional to 21,633.92, 29,839.41 and 14,066.22 is: 19,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.92 : 29,839.41 = 14,066.22 : x
  2. Step 2: Convert to fraction form
    21,633.92/29,839.41 = 14,066.22/x
  3. Step 3: Cross multiply
    21,633.92x = 29,839.41 × 14,066.22
  4. Step 4: Simplify right side
    21,633.92x = 419,727,705.73
  5. Step 5: Solve for x
    x = 419,727,705.73/21,633.92
  6. Step 6: Final answer
    x = 19,401.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.