Home / 20,525.40-28,324.99-11,093.96

Finding the Fourth Proportional to 20,525.40, 28,324.99 and 11,093.96

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Solution

The fourth proportional to 20,525.40, 28,324.99 and 11,093.96 is: 15,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.40 : 28,324.99 = 11,093.96 : x
  2. Step 2: Convert to fraction form
    20,525.40/28,324.99 = 11,093.96/x
  3. Step 3: Cross multiply
    20,525.40x = 28,324.99 × 11,093.96
  4. Step 4: Simplify right side
    20,525.40x = 314,236,390.74
  5. Step 5: Solve for x
    x = 314,236,390.74/20,525.40
  6. Step 6: Final answer
    x = 15,309.64

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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.