Home / 19,611.69-29,419.05-11,767.65

Finding the Fourth Proportional to 19,611.69, 29,419.05 and 11,767.65

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Solution

The fourth proportional to 19,611.69, 29,419.05 and 11,767.65 is: 17,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.69 : 29,419.05 = 11,767.65 : x
  2. Step 2: Convert to fraction form
    19,611.69/29,419.05 = 11,767.65/x
  3. Step 3: Cross multiply
    19,611.69x = 29,419.05 × 11,767.65
  4. Step 4: Simplify right side
    19,611.69x = 346,193,083.73
  5. Step 5: Solve for x
    x = 346,193,083.73/19,611.69
  6. Step 6: Final answer
    x = 17,652.38

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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.