Home / 28,737.18-43,105.77-12,096.84

Finding the Fourth Proportional to 28,737.18, 43,105.77 and 12,096.84

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Solution

The fourth proportional to 28,737.18, 43,105.77 and 12,096.84 is: 18,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.18 : 43,105.77 = 12,096.84 : x
  2. Step 2: Convert to fraction form
    28,737.18/43,105.77 = 12,096.84/x
  3. Step 3: Cross multiply
    28,737.18x = 43,105.77 × 12,096.84
  4. Step 4: Simplify right side
    28,737.18x = 521,443,764.41
  5. Step 5: Solve for x
    x = 521,443,764.41/28,737.18
  6. Step 6: Final answer
    x = 18,145.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.