Home / 16,930.12-23,361.65-9,374.56

Finding the Fourth Proportional to 16,930.12, 23,361.65 and 9,374.56

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Solution

The fourth proportional to 16,930.12, 23,361.65 and 9,374.56 is: 12,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.12 : 23,361.65 = 9,374.56 : x
  2. Step 2: Convert to fraction form
    16,930.12/23,361.65 = 9,374.56/x
  3. Step 3: Cross multiply
    16,930.12x = 23,361.65 × 9,374.56
  4. Step 4: Simplify right side
    16,930.12x = 219,005,189.62
  5. Step 5: Solve for x
    x = 219,005,189.62/16,930.12
  6. Step 6: Final answer
    x = 12,935.83

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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.