Home / 18,158.20-25,059.46-13,674.04

Finding the Fourth Proportional to 18,158.20, 25,059.46 and 13,674.04

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Solution

The fourth proportional to 18,158.20, 25,059.46 and 13,674.04 is: 18,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.20 : 25,059.46 = 13,674.04 : x
  2. Step 2: Convert to fraction form
    18,158.20/25,059.46 = 13,674.04/x
  3. Step 3: Cross multiply
    18,158.20x = 25,059.46 × 13,674.04
  4. Step 4: Simplify right side
    18,158.20x = 342,664,058.42
  5. Step 5: Solve for x
    x = 342,664,058.42/18,158.20
  6. Step 6: Final answer
    x = 18,871.04

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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.