Home / 26,965.74-40,419.39-13,800.06

Finding the Fourth Proportional to 26,965.74, 40,419.39 and 13,800.06

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Solution

The fourth proportional to 26,965.74, 40,419.39 and 13,800.06 is: 20,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.74 : 40,419.39 = 13,800.06 : x
  2. Step 2: Convert to fraction form
    26,965.74/40,419.39 = 13,800.06/x
  3. Step 3: Cross multiply
    26,965.74x = 40,419.39 × 13,800.06
  4. Step 4: Simplify right side
    26,965.74x = 557,790,007.16
  5. Step 5: Solve for x
    x = 557,790,007.16/26,965.74
  6. Step 6: Final answer
    x = 20,685.14

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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.