Home / 26,190.56-36,139.02-16,120.64

Finding the Fourth Proportional to 26,190.56, 36,139.02 and 16,120.64

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Solution

The fourth proportional to 26,190.56, 36,139.02 and 16,120.64 is: 22,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.56 : 36,139.02 = 16,120.64 : x
  2. Step 2: Convert to fraction form
    26,190.56/36,139.02 = 16,120.64/x
  3. Step 3: Cross multiply
    26,190.56x = 36,139.02 × 16,120.64
  4. Step 4: Simplify right side
    26,190.56x = 582,584,131.37
  5. Step 5: Solve for x
    x = 582,584,131.37/26,190.56
  6. Step 6: Final answer
    x = 22,244.05

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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.