Home / 23,520.44-32,457.12-12,909.88

Finding the Fourth Proportional to 23,520.44, 32,457.12 and 12,909.88

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Solution

The fourth proportional to 23,520.44, 32,457.12 and 12,909.88 is: 17,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.44 : 32,457.12 = 12,909.88 : x
  2. Step 2: Convert to fraction form
    23,520.44/32,457.12 = 12,909.88/x
  3. Step 3: Cross multiply
    23,520.44x = 32,457.12 × 12,909.88
  4. Step 4: Simplify right side
    23,520.44x = 419,017,524.35
  5. Step 5: Solve for x
    x = 419,017,524.35/23,520.44
  6. Step 6: Final answer
    x = 17,815.04

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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.