Home / 18,276.24-25,213.34-10,724.88

Finding the Fourth Proportional to 18,276.24, 25,213.34 and 10,724.88

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Solution

The fourth proportional to 18,276.24, 25,213.34 and 10,724.88 is: 14,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.24 : 25,213.34 = 10,724.88 : x
  2. Step 2: Convert to fraction form
    18,276.24/25,213.34 = 10,724.88/x
  3. Step 3: Cross multiply
    18,276.24x = 25,213.34 × 10,724.88
  4. Step 4: Simplify right side
    18,276.24x = 270,410,045.90
  5. Step 5: Solve for x
    x = 270,410,045.90/18,276.24
  6. Step 6: Final answer
    x = 14,795.72

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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.