Home / 23,169.90-34,754.57-5,639.88

Finding the Fourth Proportional to 23,169.90, 34,754.57 and 5,639.88

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Solution

The fourth proportional to 23,169.90, 34,754.57 and 5,639.88 is: 8,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.90 : 34,754.57 = 5,639.88 : x
  2. Step 2: Convert to fraction form
    23,169.90/34,754.57 = 5,639.88/x
  3. Step 3: Cross multiply
    23,169.90x = 34,754.57 × 5,639.88
  4. Step 4: Simplify right side
    23,169.90x = 196,011,576.05
  5. Step 5: Solve for x
    x = 196,011,576.05/23,169.90
  6. Step 6: Final answer
    x = 8,459.75

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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.