Home / 16,530.92-24,795.10-4,218.60

Finding the Fourth Proportional to 16,530.92, 24,795.10 and 4,218.60

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Solution

The fourth proportional to 16,530.92, 24,795.10 and 4,218.60 is: 6,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.92 : 24,795.10 = 4,218.60 : x
  2. Step 2: Convert to fraction form
    16,530.92/24,795.10 = 4,218.60/x
  3. Step 3: Cross multiply
    16,530.92x = 24,795.10 × 4,218.60
  4. Step 4: Simplify right side
    16,530.92x = 104,600,608.86
  5. Step 5: Solve for x
    x = 104,600,608.86/16,530.92
  6. Step 6: Final answer
    x = 6,327.57

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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.