Home / 15,550.40-23,311.56-5,682.80

Finding the Fourth Proportional to 15,550.40, 23,311.56 and 5,682.80

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Solution

The fourth proportional to 15,550.40, 23,311.56 and 5,682.80 is: 8,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.40 : 23,311.56 = 5,682.80 : x
  2. Step 2: Convert to fraction form
    15,550.40/23,311.56 = 5,682.80/x
  3. Step 3: Cross multiply
    15,550.40x = 23,311.56 × 5,682.80
  4. Step 4: Simplify right side
    15,550.40x = 132,474,933.17
  5. Step 5: Solve for x
    x = 132,474,933.17/15,550.40
  6. Step 6: Final answer
    x = 8,519.07

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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.