Home / 23,173.28-31,948.20-18,409.04

Finding the Fourth Proportional to 23,173.28, 31,948.20 and 18,409.04

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Solution

The fourth proportional to 23,173.28, 31,948.20 and 18,409.04 is: 25,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.28 : 31,948.20 = 18,409.04 : x
  2. Step 2: Convert to fraction form
    23,173.28/31,948.20 = 18,409.04/x
  3. Step 3: Cross multiply
    23,173.28x = 31,948.20 × 18,409.04
  4. Step 4: Simplify right side
    23,173.28x = 588,135,600.02
  5. Step 5: Solve for x
    x = 588,135,600.02/23,173.28
  6. Step 6: Final answer
    x = 25,379.90

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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.