Home / 16,658.41-24,979.13-5,561.11

Finding the Fourth Proportional to 16,658.41, 24,979.13 and 5,561.11

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Solution

The fourth proportional to 16,658.41, 24,979.13 and 5,561.11 is: 8,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.41 : 24,979.13 = 5,561.11 : x
  2. Step 2: Convert to fraction form
    16,658.41/24,979.13 = 5,561.11/x
  3. Step 3: Cross multiply
    16,658.41x = 24,979.13 × 5,561.11
  4. Step 4: Simplify right side
    16,658.41x = 138,911,661.83
  5. Step 5: Solve for x
    x = 138,911,661.83/16,658.41
  6. Step 6: Final answer
    x = 8,338.83

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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.