Home / 20,504.48-28,296.18-11,073.04

Finding the Fourth Proportional to 20,504.48, 28,296.18 and 11,073.04

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Solution

The fourth proportional to 20,504.48, 28,296.18 and 11,073.04 is: 15,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.48 : 28,296.18 = 11,073.04 : x
  2. Step 2: Convert to fraction form
    20,504.48/28,296.18 = 11,073.04/x
  3. Step 3: Cross multiply
    20,504.48x = 28,296.18 × 11,073.04
  4. Step 4: Simplify right side
    20,504.48x = 313,324,732.99
  5. Step 5: Solve for x
    x = 313,324,732.99/20,504.48
  6. Step 6: Final answer
    x = 15,280.80

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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.