Home / 19,559.78-29,325.09-11,766.77

Finding the Fourth Proportional to 19,559.78, 29,325.09 and 11,766.77

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Solution

The fourth proportional to 19,559.78, 29,325.09 and 11,766.77 is: 17,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.78 : 29,325.09 = 11,766.77 : x
  2. Step 2: Convert to fraction form
    19,559.78/29,325.09 = 11,766.77/x
  3. Step 3: Cross multiply
    19,559.78x = 29,325.09 × 11,766.77
  4. Step 4: Simplify right side
    19,559.78x = 345,061,589.26
  5. Step 5: Solve for x
    x = 345,061,589.26/19,559.78
  6. Step 6: Final answer
    x = 17,641.38

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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.