Home / 16,628.12-24,942.72-8,728.64

Finding the Fourth Proportional to 16,628.12, 24,942.72 and 8,728.64

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Solution

The fourth proportional to 16,628.12, 24,942.72 and 8,728.64 is: 13,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.12 : 24,942.72 = 8,728.64 : x
  2. Step 2: Convert to fraction form
    16,628.12/24,942.72 = 8,728.64/x
  3. Step 3: Cross multiply
    16,628.12x = 24,942.72 × 8,728.64
  4. Step 4: Simplify right side
    16,628.12x = 217,716,023.50
  5. Step 5: Solve for x
    x = 217,716,023.50/16,628.12
  6. Step 6: Final answer
    x = 13,093.24

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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.