Home / 16,420.86-24,631.27-5,328.65

Finding the Fourth Proportional to 16,420.86, 24,631.27 and 5,328.65

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Solution

The fourth proportional to 16,420.86, 24,631.27 and 5,328.65 is: 7,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.86 : 24,631.27 = 5,328.65 : x
  2. Step 2: Convert to fraction form
    16,420.86/24,631.27 = 5,328.65/x
  3. Step 3: Cross multiply
    16,420.86x = 24,631.27 × 5,328.65
  4. Step 4: Simplify right side
    16,420.86x = 131,251,465.14
  5. Step 5: Solve for x
    x = 131,251,465.14/16,420.86
  6. Step 6: Final answer
    x = 7,992.97

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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.