Home / 19,514.36-29,241.97-12,916.91

Finding the Fourth Proportional to 19,514.36, 29,241.97 and 12,916.91

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Solution

The fourth proportional to 19,514.36, 29,241.97 and 12,916.91 is: 19,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.36 : 29,241.97 = 12,916.91 : x
  2. Step 2: Convert to fraction form
    19,514.36/29,241.97 = 12,916.91/x
  3. Step 3: Cross multiply
    19,514.36x = 29,241.97 × 12,916.91
  4. Step 4: Simplify right side
    19,514.36x = 377,715,894.71
  5. Step 5: Solve for x
    x = 377,715,894.71/19,514.36
  6. Step 6: Final answer
    x = 19,355.79

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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.