Home / 23,396.31-32,289.13-12,787.54

Finding the Fourth Proportional to 23,396.31, 32,289.13 and 12,787.54

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Solution

The fourth proportional to 23,396.31, 32,289.13 and 12,787.54 is: 17,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.31 : 32,289.13 = 12,787.54 : x
  2. Step 2: Convert to fraction form
    23,396.31/32,289.13 = 12,787.54/x
  3. Step 3: Cross multiply
    23,396.31x = 32,289.13 × 12,787.54
  4. Step 4: Simplify right side
    23,396.31x = 412,898,476.70
  5. Step 5: Solve for x
    x = 412,898,476.70/23,396.31
  6. Step 6: Final answer
    x = 17,648.02

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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.