Home / 16,440.20-24,644.10-8,113.40

Finding the Fourth Proportional to 16,440.20, 24,644.10 and 8,113.40

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Solution

The fourth proportional to 16,440.20, 24,644.10 and 8,113.40 is: 12,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.20 : 24,644.10 = 8,113.40 : x
  2. Step 2: Convert to fraction form
    16,440.20/24,644.10 = 8,113.40/x
  3. Step 3: Cross multiply
    16,440.20x = 24,644.10 × 8,113.40
  4. Step 4: Simplify right side
    16,440.20x = 199,947,440.94
  5. Step 5: Solve for x
    x = 199,947,440.94/16,440.20
  6. Step 6: Final answer
    x = 12,162.11

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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.