Home / 20,796.71-31,191.64-7,466.94

Finding the Fourth Proportional to 20,796.71, 31,191.64 and 7,466.94

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Solution

The fourth proportional to 20,796.71, 31,191.64 and 7,466.94 is: 11,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.71 : 31,191.64 = 7,466.94 : x
  2. Step 2: Convert to fraction form
    20,796.71/31,191.64 = 7,466.94/x
  3. Step 3: Cross multiply
    20,796.71x = 31,191.64 × 7,466.94
  4. Step 4: Simplify right side
    20,796.71x = 232,906,104.38
  5. Step 5: Solve for x
    x = 232,906,104.38/20,796.71
  6. Step 6: Final answer
    x = 11,199.18

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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.