Home / 54,825.76-82,238.34-13,272.76

Finding the Fourth Proportional to 54,825.76, 82,238.34 and 13,272.76

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Solution

The fourth proportional to 54,825.76, 82,238.34 and 13,272.76 is: 19,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,825.76 : 82,238.34 = 13,272.76 : x
  2. Step 2: Convert to fraction form
    54,825.76/82,238.34 = 13,272.76/x
  3. Step 3: Cross multiply
    54,825.76x = 82,238.34 × 13,272.76
  4. Step 4: Simplify right side
    54,825.76x = 1,091,529,749.62
  5. Step 5: Solve for x
    x = 1,091,529,749.62/54,825.76
  6. Step 6: Final answer
    x = 19,909.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.