Home / 23,999.76-33,120.24-13,245.12

Finding the Fourth Proportional to 23,999.76, 33,120.24 and 13,245.12

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Solution

The fourth proportional to 23,999.76, 33,120.24 and 13,245.12 is: 18,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.76 : 33,120.24 = 13,245.12 : x
  2. Step 2: Convert to fraction form
    23,999.76/33,120.24 = 13,245.12/x
  3. Step 3: Cross multiply
    23,999.76x = 33,120.24 × 13,245.12
  4. Step 4: Simplify right side
    23,999.76x = 438,681,553.23
  5. Step 5: Solve for x
    x = 438,681,553.23/23,999.76
  6. Step 6: Final answer
    x = 18,278.58

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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.