Home / 16,520.40-24,829.20-16,228.80

Finding the Fourth Proportional to 16,520.40, 24,829.20 and 16,228.80

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Solution

The fourth proportional to 16,520.40, 24,829.20 and 16,228.80 is: 24,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.40 : 24,829.20 = 16,228.80 : x
  2. Step 2: Convert to fraction form
    16,520.40/24,829.20 = 16,228.80/x
  3. Step 3: Cross multiply
    16,520.40x = 24,829.20 × 16,228.80
  4. Step 4: Simplify right side
    16,520.40x = 402,948,120.96
  5. Step 5: Solve for x
    x = 402,948,120.96/16,520.40
  6. Step 6: Final answer
    x = 24,390.94

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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.