Home / 16,892.05-23,311.68-11,217.01

Finding the Fourth Proportional to 16,892.05, 23,311.68 and 11,217.01

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Solution

The fourth proportional to 16,892.05, 23,311.68 and 11,217.01 is: 15,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.05 : 23,311.68 = 11,217.01 : x
  2. Step 2: Convert to fraction form
    16,892.05/23,311.68 = 11,217.01/x
  3. Step 3: Cross multiply
    16,892.05x = 23,311.68 × 11,217.01
  4. Step 4: Simplify right side
    16,892.05x = 261,487,354.14
  5. Step 5: Solve for x
    x = 261,487,354.14/16,892.05
  6. Step 6: Final answer
    x = 15,479.91

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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.