Home / 16,930.84-23,361.24-10,639.58

Finding the Fourth Proportional to 16,930.84, 23,361.24 and 10,639.58

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Solution

The fourth proportional to 16,930.84, 23,361.24 and 10,639.58 is: 14,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.84 : 23,361.24 = 10,639.58 : x
  2. Step 2: Convert to fraction form
    16,930.84/23,361.24 = 10,639.58/x
  3. Step 3: Cross multiply
    16,930.84x = 23,361.24 × 10,639.58
  4. Step 4: Simplify right side
    16,930.84x = 248,553,781.88
  5. Step 5: Solve for x
    x = 248,553,781.88/16,930.84
  6. Step 6: Final answer
    x = 14,680.53

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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.