Home / 14,103.90-19,456.50-11,864.97

Finding the Fourth Proportional to 14,103.90, 19,456.50 and 11,864.97

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Solution

The fourth proportional to 14,103.90, 19,456.50 and 11,864.97 is: 16,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.90 : 19,456.50 = 11,864.97 : x
  2. Step 2: Convert to fraction form
    14,103.90/19,456.50 = 11,864.97/x
  3. Step 3: Cross multiply
    14,103.90x = 19,456.50 × 11,864.97
  4. Step 4: Simplify right side
    14,103.90x = 230,850,788.81
  5. Step 5: Solve for x
    x = 230,850,788.81/14,103.90
  6. Step 6: Final answer
    x = 16,367.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.