Home / 26,139.30-36,072.27-14,202.78

Finding the Fourth Proportional to 26,139.30, 36,072.27 and 14,202.78

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Solution

The fourth proportional to 26,139.30, 36,072.27 and 14,202.78 is: 19,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.30 : 36,072.27 = 14,202.78 : x
  2. Step 2: Convert to fraction form
    26,139.30/36,072.27 = 14,202.78/x
  3. Step 3: Cross multiply
    26,139.30x = 36,072.27 × 14,202.78
  4. Step 4: Simplify right side
    26,139.30x = 512,326,514.91
  5. Step 5: Solve for x
    x = 512,326,514.91/26,139.30
  6. Step 6: Final answer
    x = 19,599.86

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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.