Home / 23,193.45-31,969.62-18,149.58

Finding the Fourth Proportional to 23,193.45, 31,969.62 and 18,149.58

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Solution

The fourth proportional to 23,193.45, 31,969.62 and 18,149.58 is: 25,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.45 : 31,969.62 = 18,149.58 : x
  2. Step 2: Convert to fraction form
    23,193.45/31,969.62 = 18,149.58/x
  3. Step 3: Cross multiply
    23,193.45x = 31,969.62 × 18,149.58
  4. Step 4: Simplify right side
    23,193.45x = 580,235,175.76
  5. Step 5: Solve for x
    x = 580,235,175.76/23,193.45
  6. Step 6: Final answer
    x = 25,017.20

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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.