Home / 26,729.08-40,072.29-12,682.06

Finding the Fourth Proportional to 26,729.08, 40,072.29 and 12,682.06

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Solution

The fourth proportional to 26,729.08, 40,072.29 and 12,682.06 is: 19,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.08 : 40,072.29 = 12,682.06 : x
  2. Step 2: Convert to fraction form
    26,729.08/40,072.29 = 12,682.06/x
  3. Step 3: Cross multiply
    26,729.08x = 40,072.29 × 12,682.06
  4. Step 4: Simplify right side
    26,729.08x = 508,199,186.12
  5. Step 5: Solve for x
    x = 508,199,186.12/26,729.08
  6. Step 6: Final answer
    x = 19,012.97

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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.