Home / 29,645.73-40,912.13-16,900.80

Finding the Fourth Proportional to 29,645.73, 40,912.13 and 16,900.80

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Solution

The fourth proportional to 29,645.73, 40,912.13 and 16,900.80 is: 23,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.73 : 40,912.13 = 16,900.80 : x
  2. Step 2: Convert to fraction form
    29,645.73/40,912.13 = 16,900.80/x
  3. Step 3: Cross multiply
    29,645.73x = 40,912.13 × 16,900.80
  4. Step 4: Simplify right side
    29,645.73x = 691,447,726.83
  5. Step 5: Solve for x
    x = 691,447,726.83/29,645.73
  6. Step 6: Final answer
    x = 23,323.68

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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.