Home / 16,212.40-24,315.60-4,523.20

Finding the Fourth Proportional to 16,212.40, 24,315.60 and 4,523.20

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Solution

The fourth proportional to 16,212.40, 24,315.60 and 4,523.20 is: 6,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.40 : 24,315.60 = 4,523.20 : x
  2. Step 2: Convert to fraction form
    16,212.40/24,315.60 = 4,523.20/x
  3. Step 3: Cross multiply
    16,212.40x = 24,315.60 × 4,523.20
  4. Step 4: Simplify right side
    16,212.40x = 109,984,321.92
  5. Step 5: Solve for x
    x = 109,984,321.92/16,212.40
  6. Step 6: Final answer
    x = 6,783.96

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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.