Home / 18,354.36-25,330.41-10,396.38

Finding the Fourth Proportional to 18,354.36, 25,330.41 and 10,396.38

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Solution

The fourth proportional to 18,354.36, 25,330.41 and 10,396.38 is: 14,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.36 : 25,330.41 = 10,396.38 : x
  2. Step 2: Convert to fraction form
    18,354.36/25,330.41 = 10,396.38/x
  3. Step 3: Cross multiply
    18,354.36x = 25,330.41 × 10,396.38
  4. Step 4: Simplify right side
    18,354.36x = 263,344,567.92
  5. Step 5: Solve for x
    x = 263,344,567.92/18,354.36
  6. Step 6: Final answer
    x = 14,347.79

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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.