Home / 18,361.33-25,337.77-10,403.62

Finding the Fourth Proportional to 18,361.33, 25,337.77 and 10,403.62

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Solution

The fourth proportional to 18,361.33, 25,337.77 and 10,403.62 is: 14,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.33 : 25,337.77 = 10,403.62 : x
  2. Step 2: Convert to fraction form
    18,361.33/25,337.77 = 10,403.62/x
  3. Step 3: Cross multiply
    18,361.33x = 25,337.77 × 10,403.62
  4. Step 4: Simplify right side
    18,361.33x = 263,604,530.73
  5. Step 5: Solve for x
    x = 263,604,530.73/18,361.33
  6. Step 6: Final answer
    x = 14,356.51

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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.