Home / 26,361.02-39,542.40-8,591.64

Finding the Fourth Proportional to 26,361.02, 39,542.40 and 8,591.64

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Solution

The fourth proportional to 26,361.02, 39,542.40 and 8,591.64 is: 12,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.02 : 39,542.40 = 8,591.64 : x
  2. Step 2: Convert to fraction form
    26,361.02/39,542.40 = 8,591.64/x
  3. Step 3: Cross multiply
    26,361.02x = 39,542.40 × 8,591.64
  4. Step 4: Simplify right side
    26,361.02x = 339,734,065.54
  5. Step 5: Solve for x
    x = 339,734,065.54/26,361.02
  6. Step 6: Final answer
    x = 12,887.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.