Home / 20,504.45-28,296.14-11,073.01

Finding the Fourth Proportional to 20,504.45, 28,296.14 and 11,073.01

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Solution

The fourth proportional to 20,504.45, 28,296.14 and 11,073.01 is: 15,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.45 : 28,296.14 = 11,073.01 : x
  2. Step 2: Convert to fraction form
    20,504.45/28,296.14 = 11,073.01/x
  3. Step 3: Cross multiply
    20,504.45x = 28,296.14 × 11,073.01
  4. Step 4: Simplify right side
    20,504.45x = 313,323,483.47
  5. Step 5: Solve for x
    x = 313,323,483.47/20,504.45
  6. Step 6: Final answer
    x = 15,280.76

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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.