Home / 19,454.33-29,137.58-11,646.65

Finding the Fourth Proportional to 19,454.33, 29,137.58 and 11,646.65

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Solution

The fourth proportional to 19,454.33, 29,137.58 and 11,646.65 is: 17,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.33 : 29,137.58 = 11,646.65 : x
  2. Step 2: Convert to fraction form
    19,454.33/29,137.58 = 11,646.65/x
  3. Step 3: Cross multiply
    19,454.33x = 29,137.58 × 11,646.65
  4. Step 4: Simplify right side
    19,454.33x = 339,355,137.87
  5. Step 5: Solve for x
    x = 339,355,137.87/19,454.33
  6. Step 6: Final answer
    x = 17,443.68

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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.