Home / 23,192.60-32,005.80-13,120.83

Finding the Fourth Proportional to 23,192.60, 32,005.80 and 13,120.83

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Solution

The fourth proportional to 23,192.60, 32,005.80 and 13,120.83 is: 18,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.60 : 32,005.80 = 13,120.83 : x
  2. Step 2: Convert to fraction form
    23,192.60/32,005.80 = 13,120.83/x
  3. Step 3: Cross multiply
    23,192.60x = 32,005.80 × 13,120.83
  4. Step 4: Simplify right side
    23,192.60x = 419,942,780.84
  5. Step 5: Solve for x
    x = 419,942,780.84/23,192.60
  6. Step 6: Final answer
    x = 18,106.76

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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.