Home / 26,984.26-40,502.31-13,142.98

Finding the Fourth Proportional to 26,984.26, 40,502.31 and 13,142.98

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Solution

The fourth proportional to 26,984.26, 40,502.31 and 13,142.98 is: 19,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.26 : 40,502.31 = 13,142.98 : x
  2. Step 2: Convert to fraction form
    26,984.26/40,502.31 = 13,142.98/x
  3. Step 3: Cross multiply
    26,984.26x = 40,502.31 × 13,142.98
  4. Step 4: Simplify right side
    26,984.26x = 532,321,050.28
  5. Step 5: Solve for x
    x = 532,321,050.28/26,984.26
  6. Step 6: Final answer
    x = 19,727.09

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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.