Home / 16,360.08-24,520.68-9,420

Finding the Fourth Proportional to 16,360.08, 24,520.68 and 9,420

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Solution

The fourth proportional to 16,360.08, 24,520.68 and 9,420 is: 14,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,360.08 : 24,520.68 = 9,420 : x
  2. Step 2: Convert to fraction form
    16,360.08/24,520.68 = 9,420/x
  3. Step 3: Cross multiply
    16,360.08x = 24,520.68 × 9,420
  4. Step 4: Simplify right side
    16,360.08x = 230,984,805.60
  5. Step 5: Solve for x
    x = 230,984,805.60/16,360.08
  6. Step 6: Final answer
    x = 14,118.81

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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.