Home / 26,131.79-36,091.60-17,619.30

Finding the Fourth Proportional to 26,131.79, 36,091.60 and 17,619.30

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Solution

The fourth proportional to 26,131.79, 36,091.60 and 17,619.30 is: 24,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.79 : 36,091.60 = 17,619.30 : x
  2. Step 2: Convert to fraction form
    26,131.79/36,091.60 = 17,619.30/x
  3. Step 3: Cross multiply
    26,131.79x = 36,091.60 × 17,619.30
  4. Step 4: Simplify right side
    26,131.79x = 635,908,727.88
  5. Step 5: Solve for x
    x = 635,908,727.88/26,131.79
  6. Step 6: Final answer
    x = 24,334.68

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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.