Home / 13,732.43-20,580.41-7,156.85

Finding the Fourth Proportional to 13,732.43, 20,580.41 and 7,156.85

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Solution

The fourth proportional to 13,732.43, 20,580.41 and 7,156.85 is: 10,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.43 : 20,580.41 = 7,156.85 : x
  2. Step 2: Convert to fraction form
    13,732.43/20,580.41 = 7,156.85/x
  3. Step 3: Cross multiply
    13,732.43x = 20,580.41 × 7,156.85
  4. Step 4: Simplify right side
    13,732.43x = 147,290,822.30
  5. Step 5: Solve for x
    x = 147,290,822.30/13,732.43
  6. Step 6: Final answer
    x = 10,725.77

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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.