Home / 18,297.36-25,250.40-10,338.84

Finding the Fourth Proportional to 18,297.36, 25,250.40 and 10,338.84

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Solution

The fourth proportional to 18,297.36, 25,250.40 and 10,338.84 is: 14,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.36 : 25,250.40 = 10,338.84 : x
  2. Step 2: Convert to fraction form
    18,297.36/25,250.40 = 10,338.84/x
  3. Step 3: Cross multiply
    18,297.36x = 25,250.40 × 10,338.84
  4. Step 4: Simplify right side
    18,297.36x = 261,059,845.54
  5. Step 5: Solve for x
    x = 261,059,845.54/18,297.36
  6. Step 6: Final answer
    x = 14,267.62

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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.