Home / 20,672.98-31,008.99-6,632.44

Finding the Fourth Proportional to 20,672.98, 31,008.99 and 6,632.44

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Solution

The fourth proportional to 20,672.98, 31,008.99 and 6,632.44 is: 9,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.98 : 31,008.99 = 6,632.44 : x
  2. Step 2: Convert to fraction form
    20,672.98/31,008.99 = 6,632.44/x
  3. Step 3: Cross multiply
    20,672.98x = 31,008.99 × 6,632.44
  4. Step 4: Simplify right side
    20,672.98x = 205,665,265.64
  5. Step 5: Solve for x
    x = 205,665,265.64/20,672.98
  6. Step 6: Final answer
    x = 9,948.51

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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.