Home / 18,003.12-26,982.36-14,066.16

Finding the Fourth Proportional to 18,003.12, 26,982.36 and 14,066.16

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Solution

The fourth proportional to 18,003.12, 26,982.36 and 14,066.16 is: 21,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.12 : 26,982.36 = 14,066.16 : x
  2. Step 2: Convert to fraction form
    18,003.12/26,982.36 = 14,066.16/x
  3. Step 3: Cross multiply
    18,003.12x = 26,982.36 × 14,066.16
  4. Step 4: Simplify right side
    18,003.12x = 379,538,192.94
  5. Step 5: Solve for x
    x = 379,538,192.94/18,003.12
  6. Step 6: Final answer
    x = 21,081.80

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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.