Home / 16,540.02-24,812.76-8,220.30

Finding the Fourth Proportional to 16,540.02, 24,812.76 and 8,220.30

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Solution

The fourth proportional to 16,540.02, 24,812.76 and 8,220.30 is: 12,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.02 : 24,812.76 = 8,220.30 : x
  2. Step 2: Convert to fraction form
    16,540.02/24,812.76 = 8,220.30/x
  3. Step 3: Cross multiply
    16,540.02x = 24,812.76 × 8,220.30
  4. Step 4: Simplify right side
    16,540.02x = 203,968,331.03
  5. Step 5: Solve for x
    x = 203,968,331.03/16,540.02
  6. Step 6: Final answer
    x = 12,331.81

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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.