Home / 16,520.76-24,792.39-6,660.77

Finding the Fourth Proportional to 16,520.76, 24,792.39 and 6,660.77

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Solution

The fourth proportional to 16,520.76, 24,792.39 and 6,660.77 is: 9,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.76 : 24,792.39 = 6,660.77 : x
  2. Step 2: Convert to fraction form
    16,520.76/24,792.39 = 6,660.77/x
  3. Step 3: Cross multiply
    16,520.76x = 24,792.39 × 6,660.77
  4. Step 4: Simplify right side
    16,520.76x = 165,136,283.58
  5. Step 5: Solve for x
    x = 165,136,283.58/16,520.76
  6. Step 6: Final answer
    x = 9,995.68

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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.