Home / 23,830.96-32,886.77-13,220.60

Finding the Fourth Proportional to 23,830.96, 32,886.77 and 13,220.60

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Solution

The fourth proportional to 23,830.96, 32,886.77 and 13,220.60 is: 18,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.96 : 32,886.77 = 13,220.60 : x
  2. Step 2: Convert to fraction form
    23,830.96/32,886.77 = 13,220.60/x
  3. Step 3: Cross multiply
    23,830.96x = 32,886.77 × 13,220.60
  4. Step 4: Simplify right side
    23,830.96x = 434,782,600.93
  5. Step 5: Solve for x
    x = 434,782,600.93/23,830.96
  6. Step 6: Final answer
    x = 18,244.44

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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.