Home / 16,631.20-24,946.80-7,883.20

Finding the Fourth Proportional to 16,631.20, 24,946.80 and 7,883.20

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Solution

The fourth proportional to 16,631.20, 24,946.80 and 7,883.20 is: 11,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.20 : 24,946.80 = 7,883.20 : x
  2. Step 2: Convert to fraction form
    16,631.20/24,946.80 = 7,883.20/x
  3. Step 3: Cross multiply
    16,631.20x = 24,946.80 × 7,883.20
  4. Step 4: Simplify right side
    16,631.20x = 196,660,613.76
  5. Step 5: Solve for x
    x = 196,660,613.76/16,631.20
  6. Step 6: Final answer
    x = 11,824.80

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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.