Home / 23,193.58-32,007.15-13,121.80

Finding the Fourth Proportional to 23,193.58, 32,007.15 and 13,121.80

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Solution

The fourth proportional to 23,193.58, 32,007.15 and 13,121.80 is: 18,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.58 : 32,007.15 = 13,121.80 : x
  2. Step 2: Convert to fraction form
    23,193.58/32,007.15 = 13,121.80/x
  3. Step 3: Cross multiply
    23,193.58x = 32,007.15 × 13,121.80
  4. Step 4: Simplify right side
    23,193.58x = 419,991,420.87
  5. Step 5: Solve for x
    x = 419,991,420.87/23,193.58
  6. Step 6: Final answer
    x = 18,108.09

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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.