Home / 13,601.44-18,772.32-8,013.52

Finding the Fourth Proportional to 13,601.44, 18,772.32 and 8,013.52

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Solution

The fourth proportional to 13,601.44, 18,772.32 and 8,013.52 is: 11,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.44 : 18,772.32 = 8,013.52 : x
  2. Step 2: Convert to fraction form
    13,601.44/18,772.32 = 8,013.52/x
  3. Step 3: Cross multiply
    13,601.44x = 18,772.32 × 8,013.52
  4. Step 4: Simplify right side
    13,601.44x = 150,432,361.77
  5. Step 5: Solve for x
    x = 150,432,361.77/13,601.44
  6. Step 6: Final answer
    x = 11,060.03

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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.