Home / 15,860.66-23,789.10-4,174.79

Finding the Fourth Proportional to 15,860.66, 23,789.10 and 4,174.79

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Solution

The fourth proportional to 15,860.66, 23,789.10 and 4,174.79 is: 6,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.66 : 23,789.10 = 4,174.79 : x
  2. Step 2: Convert to fraction form
    15,860.66/23,789.10 = 4,174.79/x
  3. Step 3: Cross multiply
    15,860.66x = 23,789.10 × 4,174.79
  4. Step 4: Simplify right side
    15,860.66x = 99,314,496.79
  5. Step 5: Solve for x
    x = 99,314,496.79/15,860.66
  6. Step 6: Final answer
    x = 6,261.69

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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.