Home / 23,140.80-34,704.01-8,347.79

Finding the Fourth Proportional to 23,140.80, 34,704.01 and 8,347.79

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Solution

The fourth proportional to 23,140.80, 34,704.01 and 8,347.79 is: 12,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.80 : 34,704.01 = 8,347.79 : x
  2. Step 2: Convert to fraction form
    23,140.80/34,704.01 = 8,347.79/x
  3. Step 3: Cross multiply
    23,140.80x = 34,704.01 × 8,347.79
  4. Step 4: Simplify right side
    23,140.80x = 289,701,787.64
  5. Step 5: Solve for x
    x = 289,701,787.64/23,140.80
  6. Step 6: Final answer
    x = 12,519.09

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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.