Home / 20,794.81-31,192.22-5,801.32

Finding the Fourth Proportional to 20,794.81, 31,192.22 and 5,801.32

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Solution

The fourth proportional to 20,794.81, 31,192.22 and 5,801.32 is: 8,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.81 : 31,192.22 = 5,801.32 : x
  2. Step 2: Convert to fraction form
    20,794.81/31,192.22 = 5,801.32/x
  3. Step 3: Cross multiply
    20,794.81x = 31,192.22 × 5,801.32
  4. Step 4: Simplify right side
    20,794.81x = 180,956,049.73
  5. Step 5: Solve for x
    x = 180,956,049.73/20,794.81
  6. Step 6: Final answer
    x = 8,701.98

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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.