Home / 18,660.06-25,749.36-10,276.56

Finding the Fourth Proportional to 18,660.06, 25,749.36 and 10,276.56

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Solution

The fourth proportional to 18,660.06, 25,749.36 and 10,276.56 is: 14,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.06 : 25,749.36 = 10,276.56 : x
  2. Step 2: Convert to fraction form
    18,660.06/25,749.36 = 10,276.56/x
  3. Step 3: Cross multiply
    18,660.06x = 25,749.36 × 10,276.56
  4. Step 4: Simplify right side
    18,660.06x = 264,614,843.00
  5. Step 5: Solve for x
    x = 264,614,843.00/18,660.06
  6. Step 6: Final answer
    x = 14,180.81

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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.