Home / 16,744.72-23,107.99-9,191.76

Finding the Fourth Proportional to 16,744.72, 23,107.99 and 9,191.76

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Solution

The fourth proportional to 16,744.72, 23,107.99 and 9,191.76 is: 12,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,744.72 : 23,107.99 = 9,191.76 : x
  2. Step 2: Convert to fraction form
    16,744.72/23,107.99 = 9,191.76/x
  3. Step 3: Cross multiply
    16,744.72x = 23,107.99 × 9,191.76
  4. Step 4: Simplify right side
    16,744.72x = 212,403,098.16
  5. Step 5: Solve for x
    x = 212,403,098.16/16,744.72
  6. Step 6: Final answer
    x = 12,684.78

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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.