Home / 23,821.90-32,872.74-13,211.30

Finding the Fourth Proportional to 23,821.90, 32,872.74 and 13,211.30

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Solution

The fourth proportional to 23,821.90, 32,872.74 and 13,211.30 is: 18,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.90 : 32,872.74 = 13,211.30 : x
  2. Step 2: Convert to fraction form
    23,821.90/32,872.74 = 13,211.30/x
  3. Step 3: Cross multiply
    23,821.90x = 32,872.74 × 13,211.30
  4. Step 4: Simplify right side
    23,821.90x = 434,291,662.60
  5. Step 5: Solve for x
    x = 434,291,662.60/23,821.90
  6. Step 6: Final answer
    x = 18,230.78

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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.