Home / 13,761.72-20,644.02-4,528.44

Finding the Fourth Proportional to 13,761.72, 20,644.02 and 4,528.44

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Solution

The fourth proportional to 13,761.72, 20,644.02 and 4,528.44 is: 6,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.72 : 20,644.02 = 4,528.44 : x
  2. Step 2: Convert to fraction form
    13,761.72/20,644.02 = 4,528.44/x
  3. Step 3: Cross multiply
    13,761.72x = 20,644.02 × 4,528.44
  4. Step 4: Simplify right side
    13,761.72x = 93,485,205.93
  5. Step 5: Solve for x
    x = 93,485,205.93/13,761.72
  6. Step 6: Final answer
    x = 6,793.13

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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.