Home / 19,641.29-29,379.36-16,557.36

Finding the Fourth Proportional to 19,641.29, 29,379.36 and 16,557.36

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Solution

The fourth proportional to 19,641.29, 29,379.36 and 16,557.36 is: 24,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.29 : 29,379.36 = 16,557.36 : x
  2. Step 2: Convert to fraction form
    19,641.29/29,379.36 = 16,557.36/x
  3. Step 3: Cross multiply
    19,641.29x = 29,379.36 × 16,557.36
  4. Step 4: Simplify right side
    19,641.29x = 486,444,757.27
  5. Step 5: Solve for x
    x = 486,444,757.27/19,641.29
  6. Step 6: Final answer
    x = 24,766.44

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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.