Home / 18,158.92-25,060.38-13,674.76

Finding the Fourth Proportional to 18,158.92, 25,060.38 and 13,674.76

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Solution

The fourth proportional to 18,158.92, 25,060.38 and 13,674.76 is: 18,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.92 : 25,060.38 = 13,674.76 : x
  2. Step 2: Convert to fraction form
    18,158.92/25,060.38 = 13,674.76/x
  3. Step 3: Cross multiply
    18,158.92x = 25,060.38 × 13,674.76
  4. Step 4: Simplify right side
    18,158.92x = 342,694,682.01
  5. Step 5: Solve for x
    x = 342,694,682.01/18,158.92
  6. Step 6: Final answer
    x = 18,871.97

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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.