Home / 20,995.74-29,029.02-20,066.27

Finding the Fourth Proportional to 20,995.74, 29,029.02 and 20,066.27

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Solution

The fourth proportional to 20,995.74, 29,029.02 and 20,066.27 is: 27,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995.74 : 29,029.02 = 20,066.27 : x
  2. Step 2: Convert to fraction form
    20,995.74/29,029.02 = 20,066.27/x
  3. Step 3: Cross multiply
    20,995.74x = 29,029.02 × 20,066.27
  4. Step 4: Simplify right side
    20,995.74x = 582,503,932.76
  5. Step 5: Solve for x
    x = 582,503,932.76/20,995.74
  6. Step 6: Final answer
    x = 27,743.91

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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.