Home / 16,478.88-24,723.60-4,792.80

Finding the Fourth Proportional to 16,478.88, 24,723.60 and 4,792.80

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Solution

The fourth proportional to 16,478.88, 24,723.60 and 4,792.80 is: 7,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.88 : 24,723.60 = 4,792.80 : x
  2. Step 2: Convert to fraction form
    16,478.88/24,723.60 = 4,792.80/x
  3. Step 3: Cross multiply
    16,478.88x = 24,723.60 × 4,792.80
  4. Step 4: Simplify right side
    16,478.88x = 118,495,270.08
  5. Step 5: Solve for x
    x = 118,495,270.08/16,478.88
  6. Step 6: Final answer
    x = 7,190.74

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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.