Home / 16,690.24-23,051.44-11,375.92

Finding the Fourth Proportional to 16,690.24, 23,051.44 and 11,375.92

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Solution

The fourth proportional to 16,690.24, 23,051.44 and 11,375.92 is: 15,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.24 : 23,051.44 = 11,375.92 : x
  2. Step 2: Convert to fraction form
    16,690.24/23,051.44 = 11,375.92/x
  3. Step 3: Cross multiply
    16,690.24x = 23,051.44 × 11,375.92
  4. Step 4: Simplify right side
    16,690.24x = 262,231,337.32
  5. Step 5: Solve for x
    x = 262,231,337.32/16,690.24
  6. Step 6: Final answer
    x = 15,711.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.