Home / 13,072.63-18,037.60-8,294.44

Finding the Fourth Proportional to 13,072.63, 18,037.60 and 8,294.44

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Solution

The fourth proportional to 13,072.63, 18,037.60 and 8,294.44 is: 11,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.63 : 18,037.60 = 8,294.44 : x
  2. Step 2: Convert to fraction form
    13,072.63/18,037.60 = 8,294.44/x
  3. Step 3: Cross multiply
    13,072.63x = 18,037.60 × 8,294.44
  4. Step 4: Simplify right side
    13,072.63x = 149,611,790.94
  5. Step 5: Solve for x
    x = 149,611,790.94/13,072.63
  6. Step 6: Final answer
    x = 11,444.66

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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.