Home / 23,990.48-33,107.64-13,380.56

Finding the Fourth Proportional to 23,990.48, 33,107.64 and 13,380.56

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Solution

The fourth proportional to 23,990.48, 33,107.64 and 13,380.56 is: 18,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.48 : 33,107.64 = 13,380.56 : x
  2. Step 2: Convert to fraction form
    23,990.48/33,107.64 = 13,380.56/x
  3. Step 3: Cross multiply
    23,990.48x = 33,107.64 × 13,380.56
  4. Step 4: Simplify right side
    23,990.48x = 442,998,763.48
  5. Step 5: Solve for x
    x = 442,998,763.48/23,990.48
  6. Step 6: Final answer
    x = 18,465.61

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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.