Home / 27,634.30-38,134.16-15,697.60

Finding the Fourth Proportional to 27,634.30, 38,134.16 and 15,697.60

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Solution

The fourth proportional to 27,634.30, 38,134.16 and 15,697.60 is: 21,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.30 : 38,134.16 = 15,697.60 : x
  2. Step 2: Convert to fraction form
    27,634.30/38,134.16 = 15,697.60/x
  3. Step 3: Cross multiply
    27,634.30x = 38,134.16 × 15,697.60
  4. Step 4: Simplify right side
    27,634.30x = 598,614,790.02
  5. Step 5: Solve for x
    x = 598,614,790.02/27,634.30
  6. Step 6: Final answer
    x = 21,662.02

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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.