Home / 20,197.64-27,865.53-11,695.13

Finding the Fourth Proportional to 20,197.64, 27,865.53 and 11,695.13

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Solution

The fourth proportional to 20,197.64, 27,865.53 and 11,695.13 is: 16,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.64 : 27,865.53 = 11,695.13 : x
  2. Step 2: Convert to fraction form
    20,197.64/27,865.53 = 11,695.13/x
  3. Step 3: Cross multiply
    20,197.64x = 27,865.53 × 11,695.13
  4. Step 4: Simplify right side
    20,197.64x = 325,890,856.54
  5. Step 5: Solve for x
    x = 325,890,856.54/20,197.64
  6. Step 6: Final answer
    x = 16,135.10

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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.