Home / 15,789.27-23,679.86-4,693.08

Finding the Fourth Proportional to 15,789.27, 23,679.86 and 4,693.08

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Solution

The fourth proportional to 15,789.27, 23,679.86 and 4,693.08 is: 7,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.27 : 23,679.86 = 4,693.08 : x
  2. Step 2: Convert to fraction form
    15,789.27/23,679.86 = 4,693.08/x
  3. Step 3: Cross multiply
    15,789.27x = 23,679.86 × 4,693.08
  4. Step 4: Simplify right side
    15,789.27x = 111,131,453.90
  5. Step 5: Solve for x
    x = 111,131,453.90/15,789.27
  6. Step 6: Final answer
    x = 7,038.42

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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.