Home / 16,934.10-23,369.72-9,380.28

Finding the Fourth Proportional to 16,934.10, 23,369.72 and 9,380.28

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Solution

The fourth proportional to 16,934.10, 23,369.72 and 9,380.28 is: 12,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.10 : 23,369.72 = 9,380.28 : x
  2. Step 2: Convert to fraction form
    16,934.10/23,369.72 = 9,380.28/x
  3. Step 3: Cross multiply
    16,934.10x = 23,369.72 × 9,380.28
  4. Step 4: Simplify right side
    16,934.10x = 219,214,517.12
  5. Step 5: Solve for x
    x = 219,214,517.12/16,934.10
  6. Step 6: Final answer
    x = 12,945.15

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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.