Home / 20,262.47-27,962.22-11,309.97

Finding the Fourth Proportional to 20,262.47, 27,962.22 and 11,309.97

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Solution

The fourth proportional to 20,262.47, 27,962.22 and 11,309.97 is: 15,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.47 : 27,962.22 = 11,309.97 : x
  2. Step 2: Convert to fraction form
    20,262.47/27,962.22 = 11,309.97/x
  3. Step 3: Cross multiply
    20,262.47x = 27,962.22 × 11,309.97
  4. Step 4: Simplify right side
    20,262.47x = 316,251,869.33
  5. Step 5: Solve for x
    x = 316,251,869.33/20,262.47
  6. Step 6: Final answer
    x = 15,607.76

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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.