Home / 26,761.53-40,167.20-13,623.74

Finding the Fourth Proportional to 26,761.53, 40,167.20 and 13,623.74

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Solution

The fourth proportional to 26,761.53, 40,167.20 and 13,623.74 is: 20,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.53 : 40,167.20 = 13,623.74 : x
  2. Step 2: Convert to fraction form
    26,761.53/40,167.20 = 13,623.74/x
  3. Step 3: Cross multiply
    26,761.53x = 40,167.20 × 13,623.74
  4. Step 4: Simplify right side
    26,761.53x = 547,227,322.55
  5. Step 5: Solve for x
    x = 547,227,322.55/26,761.53
  6. Step 6: Final answer
    x = 20,448.28

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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.