Home / 20,116.24-27,760.28-11,619.64

Finding the Fourth Proportional to 20,116.24, 27,760.28 and 11,619.64

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Solution

The fourth proportional to 20,116.24, 27,760.28 and 11,619.64 is: 16,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.24 : 27,760.28 = 11,619.64 : x
  2. Step 2: Convert to fraction form
    20,116.24/27,760.28 = 11,619.64/x
  3. Step 3: Cross multiply
    20,116.24x = 27,760.28 × 11,619.64
  4. Step 4: Simplify right side
    20,116.24x = 322,564,459.90
  5. Step 5: Solve for x
    x = 322,564,459.90/20,116.24
  6. Step 6: Final answer
    x = 16,035.03

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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.