Home / 18,350.36-25,322.82-9,966.68

Finding the Fourth Proportional to 18,350.36, 25,322.82 and 9,966.68

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Solution

The fourth proportional to 18,350.36, 25,322.82 and 9,966.68 is: 13,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.36 : 25,322.82 = 9,966.68 : x
  2. Step 2: Convert to fraction form
    18,350.36/25,322.82 = 9,966.68/x
  3. Step 3: Cross multiply
    18,350.36x = 25,322.82 × 9,966.68
  4. Step 4: Simplify right side
    18,350.36x = 252,384,443.64
  5. Step 5: Solve for x
    x = 252,384,443.64/18,350.36
  6. Step 6: Final answer
    x = 13,753.65

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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.