Home / 21,343.76-29,462.44-16,794.64

Finding the Fourth Proportional to 21,343.76, 29,462.44 and 16,794.64

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Solution

The fourth proportional to 21,343.76, 29,462.44 and 16,794.64 is: 23,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.76 : 29,462.44 = 16,794.64 : x
  2. Step 2: Convert to fraction form
    21,343.76/29,462.44 = 16,794.64/x
  3. Step 3: Cross multiply
    21,343.76x = 29,462.44 × 16,794.64
  4. Step 4: Simplify right side
    21,343.76x = 494,811,073.32
  5. Step 5: Solve for x
    x = 494,811,073.32/21,343.76
  6. Step 6: Final answer
    x = 23,182.94

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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.