Home / 23,739.03-32,759.30-13,128.44

Finding the Fourth Proportional to 23,739.03, 32,759.30 and 13,128.44

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Solution

The fourth proportional to 23,739.03, 32,759.30 and 13,128.44 is: 18,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.03 : 32,759.30 = 13,128.44 : x
  2. Step 2: Convert to fraction form
    23,739.03/32,759.30 = 13,128.44/x
  3. Step 3: Cross multiply
    23,739.03x = 32,759.30 × 13,128.44
  4. Step 4: Simplify right side
    23,739.03x = 430,078,373.52
  5. Step 5: Solve for x
    x = 430,078,373.52/23,739.03
  6. Step 6: Final answer
    x = 18,116.93

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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.