Home / 23,530.20-32,469.55-12,919.60

Finding the Fourth Proportional to 23,530.20, 32,469.55 and 12,919.60

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Solution

The fourth proportional to 23,530.20, 32,469.55 and 12,919.60 is: 17,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.20 : 32,469.55 = 12,919.60 : x
  2. Step 2: Convert to fraction form
    23,530.20/32,469.55 = 12,919.60/x
  3. Step 3: Cross multiply
    23,530.20x = 32,469.55 × 12,919.60
  4. Step 4: Simplify right side
    23,530.20x = 419,493,598.18
  5. Step 5: Solve for x
    x = 419,493,598.18/23,530.20
  6. Step 6: Final answer
    x = 17,827.88

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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.