Home / 18,589.28-25,638.32-16,346.56

Finding the Fourth Proportional to 18,589.28, 25,638.32 and 16,346.56

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Solution

The fourth proportional to 18,589.28, 25,638.32 and 16,346.56 is: 22,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.28 : 25,638.32 = 16,346.56 : x
  2. Step 2: Convert to fraction form
    18,589.28/25,638.32 = 16,346.56/x
  3. Step 3: Cross multiply
    18,589.28x = 25,638.32 × 16,346.56
  4. Step 4: Simplify right side
    18,589.28x = 419,098,336.18
  5. Step 5: Solve for x
    x = 419,098,336.18/18,589.28
  6. Step 6: Final answer
    x = 22,545.16

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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.