Home / 18,823.24-25,974.90-10,439.56

Finding the Fourth Proportional to 18,823.24, 25,974.90 and 10,439.56

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Solution

The fourth proportional to 18,823.24, 25,974.90 and 10,439.56 is: 14,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.24 : 25,974.90 = 10,439.56 : x
  2. Step 2: Convert to fraction form
    18,823.24/25,974.90 = 10,439.56/x
  3. Step 3: Cross multiply
    18,823.24x = 25,974.90 × 10,439.56
  4. Step 4: Simplify right side
    18,823.24x = 271,166,527.04
  5. Step 5: Solve for x
    x = 271,166,527.04/18,823.24
  6. Step 6: Final answer
    x = 14,405.94

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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.