Home / 15,787.54-23,675.11-5,921.44

Finding the Fourth Proportional to 15,787.54, 23,675.11 and 5,921.44

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Solution

The fourth proportional to 15,787.54, 23,675.11 and 5,921.44 is: 8,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.54 : 23,675.11 = 5,921.44 : x
  2. Step 2: Convert to fraction form
    15,787.54/23,675.11 = 5,921.44/x
  3. Step 3: Cross multiply
    15,787.54x = 23,675.11 × 5,921.44
  4. Step 4: Simplify right side
    15,787.54x = 140,190,743.36
  5. Step 5: Solve for x
    x = 140,190,743.36/15,787.54
  6. Step 6: Final answer
    x = 8,879.83

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1.5x scale

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.