Home / 16,780.12-23,168.58-11,755.48

Finding the Fourth Proportional to 16,780.12, 23,168.58 and 11,755.48

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Solution

The fourth proportional to 16,780.12, 23,168.58 and 11,755.48 is: 16,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.12 : 23,168.58 = 11,755.48 : x
  2. Step 2: Convert to fraction form
    16,780.12/23,168.58 = 11,755.48/x
  3. Step 3: Cross multiply
    16,780.12x = 23,168.58 × 11,755.48
  4. Step 4: Simplify right side
    16,780.12x = 272,357,778.82
  5. Step 5: Solve for x
    x = 272,357,778.82/16,780.12
  6. Step 6: Final answer
    x = 16,230.98

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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.