Home / 23,174.02-31,949.20-18,409.76

Finding the Fourth Proportional to 23,174.02, 31,949.20 and 18,409.76

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Solution

The fourth proportional to 23,174.02, 31,949.20 and 18,409.76 is: 25,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.02 : 31,949.20 = 18,409.76 : x
  2. Step 2: Convert to fraction form
    23,174.02/31,949.20 = 18,409.76/x
  3. Step 3: Cross multiply
    23,174.02x = 31,949.20 × 18,409.76
  4. Step 4: Simplify right side
    23,174.02x = 588,177,104.19
  5. Step 5: Solve for x
    x = 588,177,104.19/23,174.02
  6. Step 6: Final answer
    x = 25,380.88

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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.