Home / 23,739.57-35,612.79-7,939.89

Finding the Fourth Proportional to 23,739.57, 35,612.79 and 7,939.89

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Solution

The fourth proportional to 23,739.57, 35,612.79 and 7,939.89 is: 11,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.57 : 35,612.79 = 7,939.89 : x
  2. Step 2: Convert to fraction form
    23,739.57/35,612.79 = 7,939.89/x
  3. Step 3: Cross multiply
    23,739.57x = 35,612.79 × 7,939.89
  4. Step 4: Simplify right side
    23,739.57x = 282,761,635.19
  5. Step 5: Solve for x
    x = 282,761,635.19/23,739.57
  6. Step 6: Final answer
    x = 11,910.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.