Home / 23,644.61-32,629.12-12,889.60

Finding the Fourth Proportional to 23,644.61, 32,629.12 and 12,889.60

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Solution

The fourth proportional to 23,644.61, 32,629.12 and 12,889.60 is: 17,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.61 : 32,629.12 = 12,889.60 : x
  2. Step 2: Convert to fraction form
    23,644.61/32,629.12 = 12,889.60/x
  3. Step 3: Cross multiply
    23,644.61x = 32,629.12 × 12,889.60
  4. Step 4: Simplify right side
    23,644.61x = 420,576,305.15
  5. Step 5: Solve for x
    x = 420,576,305.15/23,644.61
  6. Step 6: Final answer
    x = 17,787.41

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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.