Home / 23,520.35-32,458.03-12,909.75

Finding the Fourth Proportional to 23,520.35, 32,458.03 and 12,909.75

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Solution

The fourth proportional to 23,520.35, 32,458.03 and 12,909.75 is: 17,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.35 : 32,458.03 = 12,909.75 : x
  2. Step 2: Convert to fraction form
    23,520.35/32,458.03 = 12,909.75/x
  3. Step 3: Cross multiply
    23,520.35x = 32,458.03 × 12,909.75
  4. Step 4: Simplify right side
    23,520.35x = 419,025,052.79
  5. Step 5: Solve for x
    x = 419,025,052.79/23,520.35
  6. Step 6: Final answer
    x = 17,815.43

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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.