Home / 14,609.75-21,880.46-7,190.36

Finding the Fourth Proportional to 14,609.75, 21,880.46 and 7,190.36

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Solution

The fourth proportional to 14,609.75, 21,880.46 and 7,190.36 is: 10,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.75 : 21,880.46 = 7,190.36 : x
  2. Step 2: Convert to fraction form
    14,609.75/21,880.46 = 7,190.36/x
  3. Step 3: Cross multiply
    14,609.75x = 21,880.46 × 7,190.36
  4. Step 4: Simplify right side
    14,609.75x = 157,328,239.01
  5. Step 5: Solve for x
    x = 157,328,239.01/14,609.75
  6. Step 6: Final answer
    x = 10,768.72

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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.