Home / 16,930.05-23,361.08-9,376.85

Finding the Fourth Proportional to 16,930.05, 23,361.08 and 9,376.85

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Solution

The fourth proportional to 16,930.05, 23,361.08 and 9,376.85 is: 12,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.05 : 23,361.08 = 9,376.85 : x
  2. Step 2: Convert to fraction form
    16,930.05/23,361.08 = 9,376.85/x
  3. Step 3: Cross multiply
    16,930.05x = 23,361.08 × 9,376.85
  4. Step 4: Simplify right side
    16,930.05x = 219,053,179.31
  5. Step 5: Solve for x
    x = 219,053,179.31/16,930.05
  6. Step 6: Final answer
    x = 12,938.72

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Double scale
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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.