Home / 16,787.05-25,180.07-4,306.57

Finding the Fourth Proportional to 16,787.05, 25,180.07 and 4,306.57

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Solution

The fourth proportional to 16,787.05, 25,180.07 and 4,306.57 is: 6,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.05 : 25,180.07 = 4,306.57 : x
  2. Step 2: Convert to fraction form
    16,787.05/25,180.07 = 4,306.57/x
  3. Step 3: Cross multiply
    16,787.05x = 25,180.07 × 4,306.57
  4. Step 4: Simplify right side
    16,787.05x = 108,439,649.58
  5. Step 5: Solve for x
    x = 108,439,649.58/16,787.05
  6. Step 6: Final answer
    x = 6,459.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.