Home / 23,969.50-33,078.06-13,359.80

Finding the Fourth Proportional to 23,969.50, 33,078.06 and 13,359.80

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Solution

The fourth proportional to 23,969.50, 33,078.06 and 13,359.80 is: 18,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,969.50 : 33,078.06 = 13,359.80 : x
  2. Step 2: Convert to fraction form
    23,969.50/33,078.06 = 13,359.80/x
  3. Step 3: Cross multiply
    23,969.50x = 33,078.06 × 13,359.80
  4. Step 4: Simplify right side
    23,969.50x = 441,916,348.68
  5. Step 5: Solve for x
    x = 441,916,348.68/23,969.50
  6. Step 6: Final answer
    x = 18,436.61

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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.