Home / 20,652.12-28,481.58-17,480.16

Finding the Fourth Proportional to 20,652.12, 28,481.58 and 17,480.16

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Solution

The fourth proportional to 20,652.12, 28,481.58 and 17,480.16 is: 24,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.12 : 28,481.58 = 17,480.16 : x
  2. Step 2: Convert to fraction form
    20,652.12/28,481.58 = 17,480.16/x
  3. Step 3: Cross multiply
    20,652.12x = 28,481.58 × 17,480.16
  4. Step 4: Simplify right side
    20,652.12x = 497,862,575.45
  5. Step 5: Solve for x
    x = 497,862,575.45/20,652.12
  6. Step 6: Final answer
    x = 24,107.09

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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.