Home / 16,512.96-24,773.20-5,420.40

Finding the Fourth Proportional to 16,512.96, 24,773.20 and 5,420.40

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Solution

The fourth proportional to 16,512.96, 24,773.20 and 5,420.40 is: 8,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.96 : 24,773.20 = 5,420.40 : x
  2. Step 2: Convert to fraction form
    16,512.96/24,773.20 = 5,420.40/x
  3. Step 3: Cross multiply
    16,512.96x = 24,773.20 × 5,420.40
  4. Step 4: Simplify right side
    16,512.96x = 134,280,653.28
  5. Step 5: Solve for x
    x = 134,280,653.28/16,512.96
  6. Step 6: Final answer
    x = 8,131.83

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1.5x scale

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.