Home / 26,979.12-37,230.36-16,912.98

Finding the Fourth Proportional to 26,979.12, 37,230.36 and 16,912.98

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Solution

The fourth proportional to 26,979.12, 37,230.36 and 16,912.98 is: 23,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.12 : 37,230.36 = 16,912.98 : x
  2. Step 2: Convert to fraction form
    26,979.12/37,230.36 = 16,912.98/x
  3. Step 3: Cross multiply
    26,979.12x = 37,230.36 × 16,912.98
  4. Step 4: Simplify right side
    26,979.12x = 629,676,334.07
  5. Step 5: Solve for x
    x = 629,676,334.07/26,979.12
  6. Step 6: Final answer
    x = 23,339.39

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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.