Home / 21,034.35-31,549.10-6,241.73

Finding the Fourth Proportional to 21,034.35, 31,549.10 and 6,241.73

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Solution

The fourth proportional to 21,034.35, 31,549.10 and 6,241.73 is: 9,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.35 : 31,549.10 = 6,241.73 : x
  2. Step 2: Convert to fraction form
    21,034.35/31,549.10 = 6,241.73/x
  3. Step 3: Cross multiply
    21,034.35x = 31,549.10 × 6,241.73
  4. Step 4: Simplify right side
    21,034.35x = 196,920,774.99
  5. Step 5: Solve for x
    x = 196,920,774.99/21,034.35
  6. Step 6: Final answer
    x = 9,361.87

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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.