Home / 23,162.73-31,941.14-20,602.38

Finding the Fourth Proportional to 23,162.73, 31,941.14 and 20,602.38

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Solution

The fourth proportional to 23,162.73, 31,941.14 and 20,602.38 is: 28,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.73 : 31,941.14 = 20,602.38 : x
  2. Step 2: Convert to fraction form
    23,162.73/31,941.14 = 20,602.38/x
  3. Step 3: Cross multiply
    23,162.73x = 31,941.14 × 20,602.38
  4. Step 4: Simplify right side
    23,162.73x = 658,063,520.68
  5. Step 5: Solve for x
    x = 658,063,520.68/23,162.73
  6. Step 6: Final answer
    x = 28,410.45

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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.