Home / 28,665.41-43,000.83-11,136.60

Finding the Fourth Proportional to 28,665.41, 43,000.83 and 11,136.60

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Solution

The fourth proportional to 28,665.41, 43,000.83 and 11,136.60 is: 16,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.41 : 43,000.83 = 11,136.60 : x
  2. Step 2: Convert to fraction form
    28,665.41/43,000.83 = 11,136.60/x
  3. Step 3: Cross multiply
    28,665.41x = 43,000.83 × 11,136.60
  4. Step 4: Simplify right side
    28,665.41x = 478,883,043.38
  5. Step 5: Solve for x
    x = 478,883,043.38/28,665.41
  6. Step 6: Final answer
    x = 16,705.96

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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.