Home / 16,821.08-25,234.40-5,726.64

Finding the Fourth Proportional to 16,821.08, 25,234.40 and 5,726.64

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Solution

The fourth proportional to 16,821.08, 25,234.40 and 5,726.64 is: 8,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.08 : 25,234.40 = 5,726.64 : x
  2. Step 2: Convert to fraction form
    16,821.08/25,234.40 = 5,726.64/x
  3. Step 3: Cross multiply
    16,821.08x = 25,234.40 × 5,726.64
  4. Step 4: Simplify right side
    16,821.08x = 144,508,324.42
  5. Step 5: Solve for x
    x = 144,508,324.42/16,821.08
  6. Step 6: Final answer
    x = 8,590.91

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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.