Home / 23,745.07-32,753.92-15,678.80

Finding the Fourth Proportional to 23,745.07, 32,753.92 and 15,678.80

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Solution

The fourth proportional to 23,745.07, 32,753.92 and 15,678.80 is: 21,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,745.07 : 32,753.92 = 15,678.80 : x
  2. Step 2: Convert to fraction form
    23,745.07/32,753.92 = 15,678.80/x
  3. Step 3: Cross multiply
    23,745.07x = 32,753.92 × 15,678.80
  4. Step 4: Simplify right side
    23,745.07x = 513,542,110.15
  5. Step 5: Solve for x
    x = 513,542,110.15/23,745.07
  6. Step 6: Final answer
    x = 21,627.31

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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.