Home / 13,644.70-20,466.10-5,323.16

Finding the Fourth Proportional to 13,644.70, 20,466.10 and 5,323.16

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Solution

The fourth proportional to 13,644.70, 20,466.10 and 5,323.16 is: 7,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.70 : 20,466.10 = 5,323.16 : x
  2. Step 2: Convert to fraction form
    13,644.70/20,466.10 = 5,323.16/x
  3. Step 3: Cross multiply
    13,644.70x = 20,466.10 × 5,323.16
  4. Step 4: Simplify right side
    13,644.70x = 108,944,324.88
  5. Step 5: Solve for x
    x = 108,944,324.88/13,644.70
  6. Step 6: Final answer
    x = 7,984.37

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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.