Home / 23,699.20-32,706.83-13,630.90

Finding the Fourth Proportional to 23,699.20, 32,706.83 and 13,630.90

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Solution

The fourth proportional to 23,699.20, 32,706.83 and 13,630.90 is: 18,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.20 : 32,706.83 = 13,630.90 : x
  2. Step 2: Convert to fraction form
    23,699.20/32,706.83 = 13,630.90/x
  3. Step 3: Cross multiply
    23,699.20x = 32,706.83 × 13,630.90
  4. Step 4: Simplify right side
    23,699.20x = 445,823,529.05
  5. Step 5: Solve for x
    x = 445,823,529.05/23,699.20
  6. Step 6: Final answer
    x = 18,811.75

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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.