Home / 20,629.08-28,435.86-17,265.96

Finding the Fourth Proportional to 20,629.08, 28,435.86 and 17,265.96

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Solution

The fourth proportional to 20,629.08, 28,435.86 and 17,265.96 is: 23,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.08 : 28,435.86 = 17,265.96 : x
  2. Step 2: Convert to fraction form
    20,629.08/28,435.86 = 17,265.96/x
  3. Step 3: Cross multiply
    20,629.08x = 28,435.86 × 17,265.96
  4. Step 4: Simplify right side
    20,629.08x = 490,972,421.33
  5. Step 5: Solve for x
    x = 490,972,421.33/20,629.08
  6. Step 6: Final answer
    x = 23,800.02

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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.