Home / 15,027.38-20,735.45-8,654.24

Finding the Fourth Proportional to 15,027.38, 20,735.45 and 8,654.24

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Solution

The fourth proportional to 15,027.38, 20,735.45 and 8,654.24 is: 11,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.38 : 20,735.45 = 8,654.24 : x
  2. Step 2: Convert to fraction form
    15,027.38/20,735.45 = 8,654.24/x
  3. Step 3: Cross multiply
    15,027.38x = 20,735.45 × 8,654.24
  4. Step 4: Simplify right side
    15,027.38x = 179,449,588.80
  5. Step 5: Solve for x
    x = 179,449,588.80/15,027.38
  6. Step 6: Final answer
    x = 11,941.51

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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.