Home / 16,912.48-23,338.62-9,358.68

Finding the Fourth Proportional to 16,912.48, 23,338.62 and 9,358.68

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Solution

The fourth proportional to 16,912.48, 23,338.62 and 9,358.68 is: 12,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.48 : 23,338.62 = 9,358.68 : x
  2. Step 2: Convert to fraction form
    16,912.48/23,338.62 = 9,358.68/x
  3. Step 3: Cross multiply
    16,912.48x = 23,338.62 × 9,358.68
  4. Step 4: Simplify right side
    16,912.48x = 218,418,676.22
  5. Step 5: Solve for x
    x = 218,418,676.22/16,912.48
  6. Step 6: Final answer
    x = 12,914.65

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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.