Home / 14,621.67-20,174.54-8,651.43

Finding the Fourth Proportional to 14,621.67, 20,174.54 and 8,651.43

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Solution

The fourth proportional to 14,621.67, 20,174.54 and 8,651.43 is: 11,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.67 : 20,174.54 = 8,651.43 : x
  2. Step 2: Convert to fraction form
    14,621.67/20,174.54 = 8,651.43/x
  3. Step 3: Cross multiply
    14,621.67x = 20,174.54 × 8,651.43
  4. Step 4: Simplify right side
    14,621.67x = 174,538,577.34
  5. Step 5: Solve for x
    x = 174,538,577.34/14,621.67
  6. Step 6: Final answer
    x = 11,936.98

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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.