Home / 19,450.96-29,142.84-15,317.36

Finding the Fourth Proportional to 19,450.96, 29,142.84 and 15,317.36

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Solution

The fourth proportional to 19,450.96, 29,142.84 and 15,317.36 is: 22,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.96 : 29,142.84 = 15,317.36 : x
  2. Step 2: Convert to fraction form
    19,450.96/29,142.84 = 15,317.36/x
  3. Step 3: Cross multiply
    19,450.96x = 29,142.84 × 15,317.36
  4. Step 4: Simplify right side
    19,450.96x = 446,391,371.70
  5. Step 5: Solve for x
    x = 446,391,371.70/19,450.96
  6. Step 6: Final answer
    x = 22,949.58

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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.