Home / 18,958.56-26,172.16-14,699.96

Finding the Fourth Proportional to 18,958.56, 26,172.16 and 14,699.96

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Solution

The fourth proportional to 18,958.56, 26,172.16 and 14,699.96 is: 20,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.56 : 26,172.16 = 14,699.96 : x
  2. Step 2: Convert to fraction form
    18,958.56/26,172.16 = 14,699.96/x
  3. Step 3: Cross multiply
    18,958.56x = 26,172.16 × 14,699.96
  4. Step 4: Simplify right side
    18,958.56x = 384,729,705.11
  5. Step 5: Solve for x
    x = 384,729,705.11/18,958.56
  6. Step 6: Final answer
    x = 20,293.19

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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.