Home / 16,787.16-25,180.86-5,100.52

Finding the Fourth Proportional to 16,787.16, 25,180.86 and 5,100.52

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Solution

The fourth proportional to 16,787.16, 25,180.86 and 5,100.52 is: 7,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.16 : 25,180.86 = 5,100.52 : x
  2. Step 2: Convert to fraction form
    16,787.16/25,180.86 = 5,100.52/x
  3. Step 3: Cross multiply
    16,787.16x = 25,180.86 × 5,100.52
  4. Step 4: Simplify right side
    16,787.16x = 128,435,480.05
  5. Step 5: Solve for x
    x = 128,435,480.05/16,787.16
  6. Step 6: Final answer
    x = 7,650.82

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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.