Home / 22,785.75-34,193.81-8,757.36

Finding the Fourth Proportional to 22,785.75, 34,193.81 and 8,757.36

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Solution

The fourth proportional to 22,785.75, 34,193.81 and 8,757.36 is: 13,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.75 : 34,193.81 = 8,757.36 : x
  2. Step 2: Convert to fraction form
    22,785.75/34,193.81 = 8,757.36/x
  3. Step 3: Cross multiply
    22,785.75x = 34,193.81 × 8,757.36
  4. Step 4: Simplify right side
    22,785.75x = 299,447,525.84
  5. Step 5: Solve for x
    x = 299,447,525.84/22,785.75
  6. Step 6: Final answer
    x = 13,141.88

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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.