Home / 26,726.08-40,067.79-12,679.06

Finding the Fourth Proportional to 26,726.08, 40,067.79 and 12,679.06

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Solution

The fourth proportional to 26,726.08, 40,067.79 and 12,679.06 is: 19,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.08 : 40,067.79 = 12,679.06 : x
  2. Step 2: Convert to fraction form
    26,726.08/40,067.79 = 12,679.06/x
  3. Step 3: Cross multiply
    26,726.08x = 40,067.79 × 12,679.06
  4. Step 4: Simplify right side
    26,726.08x = 508,021,913.48
  5. Step 5: Solve for x
    x = 508,021,913.48/26,726.08
  6. Step 6: Final answer
    x = 19,008.47

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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.