Home / 20,525.10-28,324.65-11,093.68

Finding the Fourth Proportional to 20,525.10, 28,324.65 and 11,093.68

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Solution

The fourth proportional to 20,525.10, 28,324.65 and 11,093.68 is: 15,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.10 : 28,324.65 = 11,093.68 : x
  2. Step 2: Convert to fraction form
    20,525.10/28,324.65 = 11,093.68/x
  3. Step 3: Cross multiply
    20,525.10x = 28,324.65 × 11,093.68
  4. Step 4: Simplify right side
    20,525.10x = 314,224,603.21
  5. Step 5: Solve for x
    x = 314,224,603.21/20,525.10
  6. Step 6: Final answer
    x = 15,309.28

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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.