Home / 14,021.97-19,350.33-7,648.58

Finding the Fourth Proportional to 14,021.97, 19,350.33 and 7,648.58

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Solution

The fourth proportional to 14,021.97, 19,350.33 and 7,648.58 is: 10,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.97 : 19,350.33 = 7,648.58 : x
  2. Step 2: Convert to fraction form
    14,021.97/19,350.33 = 7,648.58/x
  3. Step 3: Cross multiply
    14,021.97x = 19,350.33 × 7,648.58
  4. Step 4: Simplify right side
    14,021.97x = 148,002,450.28
  5. Step 5: Solve for x
    x = 148,002,450.28/14,021.97
  6. Step 6: Final answer
    x = 10,555.04

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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.