Home / 21,577.88-32,357.66-9,103.48

Finding the Fourth Proportional to 21,577.88, 32,357.66 and 9,103.48

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Solution

The fourth proportional to 21,577.88, 32,357.66 and 9,103.48 is: 13,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.88 : 32,357.66 = 9,103.48 : x
  2. Step 2: Convert to fraction form
    21,577.88/32,357.66 = 9,103.48/x
  3. Step 3: Cross multiply
    21,577.88x = 32,357.66 × 9,103.48
  4. Step 4: Simplify right side
    21,577.88x = 294,567,310.66
  5. Step 5: Solve for x
    x = 294,567,310.66/21,577.88
  6. Step 6: Final answer
    x = 13,651.36

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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.