Home / 23,830.20-32,880.74-13,217.58

Finding the Fourth Proportional to 23,830.20, 32,880.74 and 13,217.58

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Solution

The fourth proportional to 23,830.20, 32,880.74 and 13,217.58 is: 18,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.20 : 32,880.74 = 13,217.58 : x
  2. Step 2: Convert to fraction form
    23,830.20/32,880.74 = 13,217.58/x
  3. Step 3: Cross multiply
    23,830.20x = 32,880.74 × 13,217.58
  4. Step 4: Simplify right side
    23,830.20x = 434,603,745.32
  5. Step 5: Solve for x
    x = 434,603,745.32/23,830.20
  6. Step 6: Final answer
    x = 18,237.52

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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.