Home / 13,450.14-18,553.32-8,737.56

Finding the Fourth Proportional to 13,450.14, 18,553.32 and 8,737.56

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Solution

The fourth proportional to 13,450.14, 18,553.32 and 8,737.56 is: 12,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.14 : 18,553.32 = 8,737.56 : x
  2. Step 2: Convert to fraction form
    13,450.14/18,553.32 = 8,737.56/x
  3. Step 3: Cross multiply
    13,450.14x = 18,553.32 × 8,737.56
  4. Step 4: Simplify right side
    13,450.14x = 162,110,746.70
  5. Step 5: Solve for x
    x = 162,110,746.70/13,450.14
  6. Step 6: Final answer
    x = 12,052.72

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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.