Home / 18,481.32-25,504.76-10,415.05

Finding the Fourth Proportional to 18,481.32, 25,504.76 and 10,415.05

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Solution

The fourth proportional to 18,481.32, 25,504.76 and 10,415.05 is: 14,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.32 : 25,504.76 = 10,415.05 : x
  2. Step 2: Convert to fraction form
    18,481.32/25,504.76 = 10,415.05/x
  3. Step 3: Cross multiply
    18,481.32x = 25,504.76 × 10,415.05
  4. Step 4: Simplify right side
    18,481.32x = 265,633,350.64
  5. Step 5: Solve for x
    x = 265,633,350.64/18,481.32
  6. Step 6: Final answer
    x = 14,373.07

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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.