Home / 23,355.69-32,231.63-12,745.90

Finding the Fourth Proportional to 23,355.69, 32,231.63 and 12,745.90

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Solution

The fourth proportional to 23,355.69, 32,231.63 and 12,745.90 is: 17,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,355.69 : 32,231.63 = 12,745.90 : x
  2. Step 2: Convert to fraction form
    23,355.69/32,231.63 = 12,745.90/x
  3. Step 3: Cross multiply
    23,355.69x = 32,231.63 × 12,745.90
  4. Step 4: Simplify right side
    23,355.69x = 410,821,132.82
  5. Step 5: Solve for x
    x = 410,821,132.82/23,355.69
  6. Step 6: Final answer
    x = 17,589.77

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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.