Home / 23,078.52-34,584.36-12,539.60

Finding the Fourth Proportional to 23,078.52, 34,584.36 and 12,539.60

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Solution

The fourth proportional to 23,078.52, 34,584.36 and 12,539.60 is: 18,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.52 : 34,584.36 = 12,539.60 : x
  2. Step 2: Convert to fraction form
    23,078.52/34,584.36 = 12,539.60/x
  3. Step 3: Cross multiply
    23,078.52x = 34,584.36 × 12,539.60
  4. Step 4: Simplify right side
    23,078.52x = 433,674,040.66
  5. Step 5: Solve for x
    x = 433,674,040.66/23,078.52
  6. Step 6: Final answer
    x = 18,791.24

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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.