Home / 16,912.30-23,340.21-9,743.38

Finding the Fourth Proportional to 16,912.30, 23,340.21 and 9,743.38

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Solution

The fourth proportional to 16,912.30, 23,340.21 and 9,743.38 is: 13,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.30 : 23,340.21 = 9,743.38 : x
  2. Step 2: Convert to fraction form
    16,912.30/23,340.21 = 9,743.38/x
  3. Step 3: Cross multiply
    16,912.30x = 23,340.21 × 9,743.38
  4. Step 4: Simplify right side
    16,912.30x = 227,412,535.31
  5. Step 5: Solve for x
    x = 227,412,535.31/16,912.30
  6. Step 6: Final answer
    x = 13,446.58

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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.