Home / 18,361.04-25,337.24-10,403.09

Finding the Fourth Proportional to 18,361.04, 25,337.24 and 10,403.09

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Solution

The fourth proportional to 18,361.04, 25,337.24 and 10,403.09 is: 14,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.04 : 25,337.24 = 10,403.09 : x
  2. Step 2: Convert to fraction form
    18,361.04/25,337.24 = 10,403.09/x
  3. Step 3: Cross multiply
    18,361.04x = 25,337.24 × 10,403.09
  4. Step 4: Simplify right side
    18,361.04x = 263,585,409.37
  5. Step 5: Solve for x
    x = 263,585,409.37/18,361.04
  6. Step 6: Final answer
    x = 14,355.69

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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.