Home / 23,385.68-32,272.20-12,775.31

Finding the Fourth Proportional to 23,385.68, 32,272.20 and 12,775.31

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Solution

The fourth proportional to 23,385.68, 32,272.20 and 12,775.31 is: 17,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.68 : 32,272.20 = 12,775.31 : x
  2. Step 2: Convert to fraction form
    23,385.68/32,272.20 = 12,775.31/x
  3. Step 3: Cross multiply
    23,385.68x = 32,272.20 × 12,775.31
  4. Step 4: Simplify right side
    23,385.68x = 412,287,198.02
  5. Step 5: Solve for x
    x = 412,287,198.02/23,385.68
  6. Step 6: Final answer
    x = 17,629.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.