Home / 26,334.14-36,319.46-18,778.05

Finding the Fourth Proportional to 26,334.14, 36,319.46 and 18,778.05

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Solution

The fourth proportional to 26,334.14, 36,319.46 and 18,778.05 is: 25,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334.14 : 36,319.46 = 18,778.05 : x
  2. Step 2: Convert to fraction form
    26,334.14/36,319.46 = 18,778.05/x
  3. Step 3: Cross multiply
    26,334.14x = 36,319.46 × 18,778.05
  4. Step 4: Simplify right side
    26,334.14x = 682,008,541.96
  5. Step 5: Solve for x
    x = 682,008,541.96/26,334.14
  6. Step 6: Final answer
    x = 25,898.27

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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.