Home / 16,816.31-23,198.72-10,849.90

Finding the Fourth Proportional to 16,816.31, 23,198.72 and 10,849.90

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Solution

The fourth proportional to 16,816.31, 23,198.72 and 10,849.90 is: 14,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.31 : 23,198.72 = 10,849.90 : x
  2. Step 2: Convert to fraction form
    16,816.31/23,198.72 = 10,849.90/x
  3. Step 3: Cross multiply
    16,816.31x = 23,198.72 × 10,849.90
  4. Step 4: Simplify right side
    16,816.31x = 251,703,679.88
  5. Step 5: Solve for x
    x = 251,703,679.88/16,816.31
  6. Step 6: Final answer
    x = 14,967.83

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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.