Home / 19,431.14-26,826.12-13,066.97

Finding the Fourth Proportional to 19,431.14, 26,826.12 and 13,066.97

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Solution

The fourth proportional to 19,431.14, 26,826.12 and 13,066.97 is: 18,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.14 : 26,826.12 = 13,066.97 : x
  2. Step 2: Convert to fraction form
    19,431.14/26,826.12 = 13,066.97/x
  3. Step 3: Cross multiply
    19,431.14x = 26,826.12 × 13,066.97
  4. Step 4: Simplify right side
    19,431.14x = 350,535,971.13
  5. Step 5: Solve for x
    x = 350,535,971.13/19,431.14
  6. Step 6: Final answer
    x = 18,039.91

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