Home / 22,056.96-30,436.80-12,120.96

Finding the Fourth Proportional to 22,056.96, 30,436.80 and 12,120.96

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Solution

The fourth proportional to 22,056.96, 30,436.80 and 12,120.96 is: 16,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.96 : 30,436.80 = 12,120.96 : x
  2. Step 2: Convert to fraction form
    22,056.96/30,436.80 = 12,120.96/x
  3. Step 3: Cross multiply
    22,056.96x = 30,436.80 × 12,120.96
  4. Step 4: Simplify right side
    22,056.96x = 368,923,235.33
  5. Step 5: Solve for x
    x = 368,923,235.33/22,056.96
  6. Step 6: Final answer
    x = 16,725.93

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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.