Home / 18,729.87-25,847.83-10,232.81

Finding the Fourth Proportional to 18,729.87, 25,847.83 and 10,232.81

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Solution

The fourth proportional to 18,729.87, 25,847.83 and 10,232.81 is: 14,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.87 : 25,847.83 = 10,232.81 : x
  2. Step 2: Convert to fraction form
    18,729.87/25,847.83 = 10,232.81/x
  3. Step 3: Cross multiply
    18,729.87x = 25,847.83 × 10,232.81
  4. Step 4: Simplify right side
    18,729.87x = 264,495,869.87
  5. Step 5: Solve for x
    x = 264,495,869.87/18,729.87
  6. Step 6: Final answer
    x = 14,121.61

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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.