Home / 18,361.67-25,338.57-10,406.46

Finding the Fourth Proportional to 18,361.67, 25,338.57 and 10,406.46

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Solution

The fourth proportional to 18,361.67, 25,338.57 and 10,406.46 is: 14,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.67 : 25,338.57 = 10,406.46 : x
  2. Step 2: Convert to fraction form
    18,361.67/25,338.57 = 10,406.46/x
  3. Step 3: Cross multiply
    18,361.67x = 25,338.57 × 10,406.46
  4. Step 4: Simplify right side
    18,361.67x = 263,684,815.16
  5. Step 5: Solve for x
    x = 263,684,815.16/18,361.67
  6. Step 6: Final answer
    x = 14,360.62

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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.