Home / 29,128.59-40,188.06-17,194.86

Finding the Fourth Proportional to 29,128.59, 40,188.06 and 17,194.86

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Solution

The fourth proportional to 29,128.59, 40,188.06 and 17,194.86 is: 23,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.59 : 40,188.06 = 17,194.86 : x
  2. Step 2: Convert to fraction form
    29,128.59/40,188.06 = 17,194.86/x
  3. Step 3: Cross multiply
    29,128.59x = 40,188.06 × 17,194.86
  4. Step 4: Simplify right side
    29,128.59x = 691,028,065.37
  5. Step 5: Solve for x
    x = 691,028,065.37/29,128.59
  6. Step 6: Final answer
    x = 23,723.36

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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.