Home / 18,358.14-25,333.89-9,974.70

Finding the Fourth Proportional to 18,358.14, 25,333.89 and 9,974.70

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Solution

The fourth proportional to 18,358.14, 25,333.89 and 9,974.70 is: 13,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.14 : 25,333.89 = 9,974.70 : x
  2. Step 2: Convert to fraction form
    18,358.14/25,333.89 = 9,974.70/x
  3. Step 3: Cross multiply
    18,358.14x = 25,333.89 × 9,974.70
  4. Step 4: Simplify right side
    18,358.14x = 252,697,952.58
  5. Step 5: Solve for x
    x = 252,697,952.58/18,358.14
  6. Step 6: Final answer
    x = 13,764.90

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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.