Home / 16,893.91-23,315.03-9,819.88

Finding the Fourth Proportional to 16,893.91, 23,315.03 and 9,819.88

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Solution

The fourth proportional to 16,893.91, 23,315.03 and 9,819.88 is: 13,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.91 : 23,315.03 = 9,819.88 : x
  2. Step 2: Convert to fraction form
    16,893.91/23,315.03 = 9,819.88/x
  3. Step 3: Cross multiply
    16,893.91x = 23,315.03 × 9,819.88
  4. Step 4: Simplify right side
    16,893.91x = 228,950,796.80
  5. Step 5: Solve for x
    x = 228,950,796.80/16,893.91
  6. Step 6: Final answer
    x = 13,552.27

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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.