Home / 20,575.88-30,839.14-9,467.28

Finding the Fourth Proportional to 20,575.88, 30,839.14 and 9,467.28

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Solution

The fourth proportional to 20,575.88, 30,839.14 and 9,467.28 is: 14,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.88 : 30,839.14 = 9,467.28 : x
  2. Step 2: Convert to fraction form
    20,575.88/30,839.14 = 9,467.28/x
  3. Step 3: Cross multiply
    20,575.88x = 30,839.14 × 9,467.28
  4. Step 4: Simplify right side
    20,575.88x = 291,962,773.34
  5. Step 5: Solve for x
    x = 291,962,773.34/20,575.88
  6. Step 6: Final answer
    x = 14,189.56

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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.