Home / 16,331.40-24,485.10-5,231.72

Finding the Fourth Proportional to 16,331.40, 24,485.10 and 5,231.72

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Solution

The fourth proportional to 16,331.40, 24,485.10 and 5,231.72 is: 7,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.40 : 24,485.10 = 5,231.72 : x
  2. Step 2: Convert to fraction form
    16,331.40/24,485.10 = 5,231.72/x
  3. Step 3: Cross multiply
    16,331.40x = 24,485.10 × 5,231.72
  4. Step 4: Simplify right side
    16,331.40x = 128,099,187.37
  5. Step 5: Solve for x
    x = 128,099,187.37/16,331.40
  6. Step 6: Final answer
    x = 7,843.74

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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.