Home / 13,737.96-18,958.41-7,450.29

Finding the Fourth Proportional to 13,737.96, 18,958.41 and 7,450.29

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Solution

The fourth proportional to 13,737.96, 18,958.41 and 7,450.29 is: 10,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.96 : 18,958.41 = 7,450.29 : x
  2. Step 2: Convert to fraction form
    13,737.96/18,958.41 = 7,450.29/x
  3. Step 3: Cross multiply
    13,737.96x = 18,958.41 × 7,450.29
  4. Step 4: Simplify right side
    13,737.96x = 141,245,652.44
  5. Step 5: Solve for x
    x = 141,245,652.44/13,737.96
  6. Step 6: Final answer
    x = 10,281.41

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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.