Home / 23,205.21-32,022.84-13,135.56

Finding the Fourth Proportional to 23,205.21, 32,022.84 and 13,135.56

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Solution

The fourth proportional to 23,205.21, 32,022.84 and 13,135.56 is: 18,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,205.21 : 32,022.84 = 13,135.56 : x
  2. Step 2: Convert to fraction form
    23,205.21/32,022.84 = 13,135.56/x
  3. Step 3: Cross multiply
    23,205.21x = 32,022.84 × 13,135.56
  4. Step 4: Simplify right side
    23,205.21x = 420,637,936.19
  5. Step 5: Solve for x
    x = 420,637,936.19/23,205.21
  6. Step 6: Final answer
    x = 18,126.87

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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.