Home / 55,183.06-82,765.30-15,730.80

Finding the Fourth Proportional to 55,183.06, 82,765.30 and 15,730.80

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Solution

The fourth proportional to 55,183.06, 82,765.30 and 15,730.80 is: 23,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.06 : 82,765.30 = 15,730.80 : x
  2. Step 2: Convert to fraction form
    55,183.06/82,765.30 = 15,730.80/x
  3. Step 3: Cross multiply
    55,183.06x = 82,765.30 × 15,730.80
  4. Step 4: Simplify right side
    55,183.06x = 1,301,964,381.24
  5. Step 5: Solve for x
    x = 1,301,964,381.24/55,183.06
  6. Step 6: Final answer
    x = 23,593.55

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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.