Home / 20,221.24-27,904.66-11,723.52

Finding the Fourth Proportional to 20,221.24, 27,904.66 and 11,723.52

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Solution

The fourth proportional to 20,221.24, 27,904.66 and 11,723.52 is: 16,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.24 : 27,904.66 = 11,723.52 : x
  2. Step 2: Convert to fraction form
    20,221.24/27,904.66 = 11,723.52/x
  3. Step 3: Cross multiply
    20,221.24x = 27,904.66 × 11,723.52
  4. Step 4: Simplify right side
    20,221.24x = 327,140,839.60
  5. Step 5: Solve for x
    x = 327,140,839.60/20,221.24
  6. Step 6: Final answer
    x = 16,178.08

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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.