Home / 16,464.30-24,708.60-10,915.80

Finding the Fourth Proportional to 16,464.30, 24,708.60 and 10,915.80

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Solution

The fourth proportional to 16,464.30, 24,708.60 and 10,915.80 is: 16,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.30 : 24,708.60 = 10,915.80 : x
  2. Step 2: Convert to fraction form
    16,464.30/24,708.60 = 10,915.80/x
  3. Step 3: Cross multiply
    16,464.30x = 24,708.60 × 10,915.80
  4. Step 4: Simplify right side
    16,464.30x = 269,714,135.88
  5. Step 5: Solve for x
    x = 269,714,135.88/16,464.30
  6. Step 6: Final answer
    x = 16,381.76

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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.