Home / 13,644.43-18,829.23-7,675.97

Finding the Fourth Proportional to 13,644.43, 18,829.23 and 7,675.97

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Solution

The fourth proportional to 13,644.43, 18,829.23 and 7,675.97 is: 10,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.43 : 18,829.23 = 7,675.97 : x
  2. Step 2: Convert to fraction form
    13,644.43/18,829.23 = 7,675.97/x
  3. Step 3: Cross multiply
    13,644.43x = 18,829.23 × 7,675.97
  4. Step 4: Simplify right side
    13,644.43x = 144,532,651.68
  5. Step 5: Solve for x
    x = 144,532,651.68/13,644.43
  6. Step 6: Final answer
    x = 10,592.80

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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.