Home / 55,073.44-82,610.28-13,520.56

Finding the Fourth Proportional to 55,073.44, 82,610.28 and 13,520.56

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Solution

The fourth proportional to 55,073.44, 82,610.28 and 13,520.56 is: 20,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.44 : 82,610.28 = 13,520.56 : x
  2. Step 2: Convert to fraction form
    55,073.44/82,610.28 = 13,520.56/x
  3. Step 3: Cross multiply
    55,073.44x = 82,610.28 × 13,520.56
  4. Step 4: Simplify right side
    55,073.44x = 1,116,937,247.36
  5. Step 5: Solve for x
    x = 1,116,937,247.36/55,073.44
  6. Step 6: Final answer
    x = 20,280.87

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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.