Home / 25,974.11-38,951.45-20,492.03

Finding the Fourth Proportional to 25,974.11, 38,951.45 and 20,492.03

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Solution

The fourth proportional to 25,974.11, 38,951.45 and 20,492.03 is: 30,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.11 : 38,951.45 = 20,492.03 : x
  2. Step 2: Convert to fraction form
    25,974.11/38,951.45 = 20,492.03/x
  3. Step 3: Cross multiply
    25,974.11x = 38,951.45 × 20,492.03
  4. Step 4: Simplify right side
    25,974.11x = 798,194,179.48
  5. Step 5: Solve for x
    x = 798,194,179.48/25,974.11
  6. Step 6: Final answer
    x = 30,730.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.