Home / 16,731.12-24,990.64-15,771.44

Finding the Fourth Proportional to 16,731.12, 24,990.64 and 15,771.44

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Solution

The fourth proportional to 16,731.12, 24,990.64 and 15,771.44 is: 23,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.12 : 24,990.64 = 15,771.44 : x
  2. Step 2: Convert to fraction form
    16,731.12/24,990.64 = 15,771.44/x
  3. Step 3: Cross multiply
    16,731.12x = 24,990.64 × 15,771.44
  4. Step 4: Simplify right side
    16,731.12x = 394,138,379.32
  5. Step 5: Solve for x
    x = 394,138,379.32/16,731.12
  6. Step 6: Final answer
    x = 23,557.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.