Home / 19,053.10-26,306.11-11,893.91

Finding the Fourth Proportional to 19,053.10, 26,306.11 and 11,893.91

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Solution

The fourth proportional to 19,053.10, 26,306.11 and 11,893.91 is: 16,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.10 : 26,306.11 = 11,893.91 : x
  2. Step 2: Convert to fraction form
    19,053.10/26,306.11 = 11,893.91/x
  3. Step 3: Cross multiply
    19,053.10x = 26,306.11 × 11,893.91
  4. Step 4: Simplify right side
    19,053.10x = 312,882,504.79
  5. Step 5: Solve for x
    x = 312,882,504.79/19,053.10
  6. Step 6: Final answer
    x = 16,421.61

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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.