Home / 23,990.67-33,107.19-13,380.99

Finding the Fourth Proportional to 23,990.67, 33,107.19 and 13,380.99

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Solution

The fourth proportional to 23,990.67, 33,107.19 and 13,380.99 is: 18,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.67 : 33,107.19 = 13,380.99 : x
  2. Step 2: Convert to fraction form
    23,990.67/33,107.19 = 13,380.99/x
  3. Step 3: Cross multiply
    23,990.67x = 33,107.19 × 13,380.99
  4. Step 4: Simplify right side
    23,990.67x = 443,006,978.32
  5. Step 5: Solve for x
    x = 443,006,978.32/23,990.67
  6. Step 6: Final answer
    x = 18,465.80

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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.