Home / 15,789.80-23,682.72-4,102.04

Finding the Fourth Proportional to 15,789.80, 23,682.72 and 4,102.04

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Solution

The fourth proportional to 15,789.80, 23,682.72 and 4,102.04 is: 6,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.80 : 23,682.72 = 4,102.04 : x
  2. Step 2: Convert to fraction form
    15,789.80/23,682.72 = 4,102.04/x
  3. Step 3: Cross multiply
    15,789.80x = 23,682.72 × 4,102.04
  4. Step 4: Simplify right side
    15,789.80x = 97,147,464.75
  5. Step 5: Solve for x
    x = 97,147,464.75/15,789.80
  6. Step 6: Final answer
    x = 6,152.55

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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.