Home / 13,737.94-18,958.37-7,450.32

Finding the Fourth Proportional to 13,737.94, 18,958.37 and 7,450.32

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Solution

The fourth proportional to 13,737.94, 18,958.37 and 7,450.32 is: 10,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.94 : 18,958.37 = 7,450.32 : x
  2. Step 2: Convert to fraction form
    13,737.94/18,958.37 = 7,450.32/x
  3. Step 3: Cross multiply
    13,737.94x = 18,958.37 × 7,450.32
  4. Step 4: Simplify right side
    13,737.94x = 141,245,923.18
  5. Step 5: Solve for x
    x = 141,245,923.18/13,737.94
  6. Step 6: Final answer
    x = 10,281.45

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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.