Home / 14,763.85-20,374.60-8,794.70

Finding the Fourth Proportional to 14,763.85, 20,374.60 and 8,794.70

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Solution

The fourth proportional to 14,763.85, 20,374.60 and 8,794.70 is: 12,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.85 : 20,374.60 = 8,794.70 : x
  2. Step 2: Convert to fraction form
    14,763.85/20,374.60 = 8,794.70/x
  3. Step 3: Cross multiply
    14,763.85x = 20,374.60 × 8,794.70
  4. Step 4: Simplify right side
    14,763.85x = 179,188,494.62
  5. Step 5: Solve for x
    x = 179,188,494.62/14,763.85
  6. Step 6: Final answer
    x = 12,136.98

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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.