Home / 16,893.21-23,310.24-9,720.39

Finding the Fourth Proportional to 16,893.21, 23,310.24 and 9,720.39

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Solution

The fourth proportional to 16,893.21, 23,310.24 and 9,720.39 is: 13,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.21 : 23,310.24 = 9,720.39 : x
  2. Step 2: Convert to fraction form
    16,893.21/23,310.24 = 9,720.39/x
  3. Step 3: Cross multiply
    16,893.21x = 23,310.24 × 9,720.39
  4. Step 4: Simplify right side
    16,893.21x = 226,584,623.79
  5. Step 5: Solve for x
    x = 226,584,623.79/16,893.21
  6. Step 6: Final answer
    x = 13,412.76

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1.5x scale

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.