Home / 16,462.21-22,715.41-9,998.49

Finding the Fourth Proportional to 16,462.21, 22,715.41 and 9,998.49

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Solution

The fourth proportional to 16,462.21, 22,715.41 and 9,998.49 is: 13,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,462.21 : 22,715.41 = 9,998.49 : x
  2. Step 2: Convert to fraction form
    16,462.21/22,715.41 = 9,998.49/x
  3. Step 3: Cross multiply
    16,462.21x = 22,715.41 × 9,998.49
  4. Step 4: Simplify right side
    16,462.21x = 227,119,771.98
  5. Step 5: Solve for x
    x = 227,119,771.98/16,462.21
  6. Step 6: Final answer
    x = 13,796.43

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Half scale
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Similar ratio
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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.