Home / 29,815.86-41,143.49-16,387.83

Finding the Fourth Proportional to 29,815.86, 41,143.49 and 16,387.83

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Solution

The fourth proportional to 29,815.86, 41,143.49 and 16,387.83 is: 22,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.86 : 41,143.49 = 16,387.83 : x
  2. Step 2: Convert to fraction form
    29,815.86/41,143.49 = 16,387.83/x
  3. Step 3: Cross multiply
    29,815.86x = 41,143.49 × 16,387.83
  4. Step 4: Simplify right side
    29,815.86x = 674,252,437.79
  5. Step 5: Solve for x
    x = 674,252,437.79/29,815.86
  6. Step 6: Final answer
    x = 22,613.89

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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.